The 1ET400A is rated at 227w 8 ohm from the manufactuer, and across Aug 27, 2020 · 2. This input buffer is intended for use with the Purifi 1ET400A and Hypex NC500 Class D amplifier modules. All aluminum case w/black powder coat finish. #4 · Sep 2, 2023. " Our pair of Nord NC500 gussied up would thus jump from £1'775/pr to £4'775, to well more than twice for a beefier prettier case still sold direct. com - The Purifi Puzzle, Part One: The Measured Performance of the Eigentakt Amplifier Sep 17, 2020 · Yes: NC1200 : Power. NOTE: While we understand the hesitation by some to use a 6ch amplifier for 5ch Jul 22, 2022 · 2022-07-23 6:34 pm. So I’ve concluded the NCX500 would be the most cost effective. The HPA-S500NC is a :massive stereo amplifier. Jan 15, 2022 · 2. The Hypex NC502MP NCORE is an all-in-one dual channel amplifier module. 2ch Purifi 1ET400A = MSRP ~ $1450. $129. The 1ET400A/NC500 Input Buffer will be assembled in Calgary, Canada by a professional assembly house. Ultra low distortion delivers clean audio even as the power output increases. 00 Jan 6, 2024 · 2. If not, then as explained above, they will produce the same output voltage. The Hypex Nilai is the latest and greatest and the most expensive choice. Quote: Originally Posted by charmerci /t/1527196/martin-logan-motion-40s-or-ascend-acoustics-sierra-s2#post_24623184. These all have separate power supplies, amplifier modules, and input Jul 11, 2021 · 245,048. These parts may never be exposed to inadvertent touch. This is a brand new amplifier featuring: —Multiple Input Buffer Options. Apr 16, 2023 · 2. You can find pricing by looking at Buckeye's posts. Just like the Nord acoustics NC400, It measures extrem Jul 2, 2023 · Please keep in mind these prices can change (up or down) as we get closer to actual production (hoping for Q1 2024): 2ch Hypex NC252MP = MSRP ~ $1095. Joined Jan 11, 2022 Messages 464 Likes 323. Have already made arrangements with Amir to bench test then do a Tear down inspection as well. Its compact size and high reliability makes it fit a broad range of applications, while its audio quality makes it the Dec 23, 2022 · The Buckeye 3 channel amp was doing superbly in lower power tests. So the VTV NCX500 is likely going to be my choice. PC - Keysion ES2981 - Truthear Zero Red Sep 2, 2023 · 1647 posts · Joined 2020. Learn More. Hypex NC502MP Module Stereo Amplifier 890. Apr 26, 2023 · The Purifi 1ET400A 3-channel amplifier comes in a sleek black powder-coated casing made entirely of aluminum. SPARKOS LABS SS78 & SS79 DISCRETE VOLTAGE REGULATORS provide power to the Op Amps and amplifier module. 2ch Hypex NC502MP = MSRP ~ $1195. Otherwise, there aren't a lot of 3-channel amps pit there. The Purifi 1ET400A is capable of up to 450 watts of power output per channel (all channels driven) while delivering extremely low distortion performance and an ultra low noise floor level. 5 with the NC502MP matched levels at 75dB. Location. Thanks to @AdamG247 for purchasing and sending it to Amir for review. Alas, the power sweep shows rise in distortion. It is attractively priced in a lightweight no-nonsense package. I have both. VTV does not provide a photo of the inside of this amp, for me to make my own judgment. This matters less if your room is small or your listen to them with a meter or two. The Sparkos Labs SS78 and SS79 May 16, 2022 · 2. As most of the amplifiers based on NCore, the frequency response is Mar 20, 2020 · A two-pin connector footprint provides access to the remote sensing pins of the Purifi 1ET400A / Hypex NC500. There are no 500mp or 500nc modules, they are the same thing, the NC502MP. So put it in a cabinet and forget about it. This would cost 1400 vs the 800 for the NC502MP. Buckeye Amps also offers other color options at an additional cost. Audiophile myths are shattered with use of large amount of feedback and high bandwidth to produce an amplifier which brings transparency to anything you throw at it. Purifi (and Hypex) are low gain amplifiers and the signal level of standard line level input is too low to drive the amplifier to its full range. PC - Keysion ES2981 - Truthear Zero Red Sep 15, 2021 · 2. Nov 29, 2023 Jul 4, 2023 · The new NCx500 amplifier board from Dutch manufacturer Hypex Electronics is the first of a new NCOREx family of modules that evolves from the extremely popular NCORE Class-D amplifier technology, one of the most successful options among high-end audio and studio monitor brands. It still scares me to use a class D amplifier for my speakers feeling I may hear the distortion. 00 excluding VAT. 4 | Yamaha RX-A8A | LG G4 77" | Perlisten R7t | Perlisten R5c | Perlisten R5m | Perlisten R4b | Perlisten R4s | SVS Prime Elevations | 2x JTR Captivator 4000 ULF-TL | Buckeye Amps 1ET400A 3ch | Buckeye Amps NC502MP 8ch | Panasonic UB820 | BKA1000-P and Dayton Audio SA1000 | 2x Buttkicker LFE | 2x Buttkicker Advance | Nvidia Shield Pro Jun 26, 2022 · March Audio - 1ET400A - P262 135w vs P422 227w. I just talked myself into buying another 6ch Nc502mp amp from Buckeye Amps for $1600usd shipped. 83V sensitivity = ~83dB/1Watt sensitivity between 20-200hz where impedance is ~4 ohms) via March Audio P451 (Purifi 1ET400A) mono-blocks, I ran several test sweeps from 20-200hz gradually increasing SPL while keeping an Nord acoustics NC500 monoblock amplifiers are audiophile class D amplifiers based on the Hypex module. This compact and lightweight amplifier measures 12-inches in width, 12-inches in-depth, and 3. The second option is 2 Schiit Vidars running in mono mode which would give me 400wpc. Nilai stereo kit has two Nilai amps and one PS500DIY power supply. The Input Buffer will be available by mid/late April. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. 5" high, 8lbs. NOTE: While the 8ch NC502MP amplifier uses (2) power plug inlets, it will easily The Purifi 1ET400A is the next evolution in Class D audio. Monoblock 450W. Our cases may not be much to look at, but unlike our competitors who use overseas manufacturing, we have all Jul 3, 2019 · 2. This is a review and detailed measurements of the Hypex NCx500 NCOREx reference design amplifier. As you see the sample is a "monoblock" configuration (one channel) driven by Hypex SMPS1200 switching power supply. Two options are the P262 and P422, with both, based on photos, running the 1ET400A chip. Hi All, Bit of a newbie here and a bit confused, and understanding that this might get a bit technical. A "Purifi-Clone" it seems what it is inside or what they want you to think it is. 624 posts · Joined 2006. The Apollon amplifiers might be overkill, but add to the "Rolex Club" creds. Feb 27, 2023 #1 Apr 16, 2023 · The NCx500 is a bit more power and the Purifi 1ET400A is slightly lower noise. Setting the RME ADI-2 DAC volume to -33. Thanks to @Buckeye Amps for his excellent work. 2. The blank circuit boards are manufactured in Ontario, Canada. PC - Keysion ES2981 - Truthear Zero Red Sep 2, 2020 · 2. One thing to keep in mind is the size of the unit for 5+ channels, as the VTV is 19” wide by 20” deep, whereas the Buckeye is 17 x 13. Mar 17, 2021 · The NC502MP Buckeye amp would make that same soft, but clearly audible (that is louder than the Eigentakt) every time I turned power on. That would have been true before Purifi became a thing. 00; VTV AMPLIFIER Four Channel Purifi Audio 1ET400A Amplifier. No differences heard yet, but continuing to listen and not finished with the comparison. It's a good reminder. Observe extreme care during installation and never touch any part of the unit while it is connected to the mains. Nov 29, 2023 Oct 21, 2020 · hi guys trying to grasp what is a better amp - both are great no questions, but I tried to compare they specs and graphs. Jan 24, 2022 · Amplifier comparison: March Audio P452 (Purifi 1ET400A) vs Buckeye Hypex NC502MP vs AIYIMA A07 (TPA3255) vs Onkyo TX-NR737 (125W Class AB) Thread starter f1shb0n3 Start date Jan 24, 2022 Jan 24, 2022 · Marantz AV10 Class D vs NC502MP/Purifi 1ET400A based amps. 1 surround setup. Jan 20, 2021 · 2. And NC400 (sorry it is not averaged as much, ignore the business below the graph): View attachment 28886. It was sent by the company and kindly assembled by our local expert, @Rick Sykora. Previously, Hypex had minimum price fixing policies on their upper amp boards which kept the prices very high. See Purifi-Audio DATASHEET here. Nov 5, 2021 · Nov 5, 2021. PC - Keysion ES2981 - Truthear Zero Red Jun 26, 2023 · The price difference between Purify and Hypex is around 15% in favor of the latter, ICEpower costs almost half as much as the others and therefore inside a fair comparison it's not negligible, and it is the one that sounds "worse" according to the review's author. The entire topology, including incorporated SMPS, was designed by Hypex for up to 500 watts of power per channel (all channels driven Jan 24, 2022 · Amplifier comparison: March Audio P452 (Purifi 1ET400A) vs Buckeye Hypex NC502MP vs AIYIMA A07 (TPA3255) vs Onkyo TX-NR737 (125W Class AB) Thread starter f1shb0n3 Start date Jan 24, 2022 Aug 5, 2020 · The NC502MP module is an integrated 2 channel unit that has built in power supply and input buffers. Jul 30, 2021. Oct 27, 2021 · Thanks the review. In this fast-growing art of 'high fidelity' the quackery will bear a solid gilt edge that will fool many people" - Paul W Klipsch, 1953 Apr 4, 2023 · They range in power from 80W 120W 250W up to 500W. Modules will be available to DIY channel in Q4 of 2019. The Purifi 1ET400A is cleaner (mostly likely inaudibly so), but I don't think will be enough more powerful than what you have to be worth the switch, if what you have is inadequate. Importantly, the 1ET400A does all of this while producing a ton of power and staying cool and efficient to boot. PC - Keysion ES2981 - Truthear Zero Red The Purifi 1ET400A is the next evolution in Class D audio. 5 pound steel metal case of the Buckeye NC502MP. Used to have a Bryston 4B, but it broke and sold it to someone who wanted to fix it and use it himself. #3. $1,075. Unlike other buffers, including the Purifi EVAL1 and the Hypex NC500 Evaluation Board, this Input Buffer will provide a differential output for the Class D amplifier, even if the input to NC502MP 04xx 20-01-2023 3 1 Safety precautions 1 Précautions de sécurité This module operates at mains voltage and carries hazardous voltages at accessible parts. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). Thread starter Hapo; Start date Feb 27, 2023; Hapo Senior Member. There is not a whole lot to look at here. The Purifi 1ET400A is a new amp board recently released this year by the designer of the NCore amps. Phone - Tanchjim Space - Truthear Zero Red 5. Jan 30, 2023 · For those interested in using an external amp with AVR, the best configuration is to use a 3-channel Purifi Eigentak 1ET400A /1ET7040SA for your L/C/R channels. Nov 15, 2020 · 2. 5 with the P452 and -32. From $ 1,099. Nov 2, 2023 · Kinki Studio EX-M1+ vs. This is a review and detailed measurements of the Buckeye Hypex NC502MP 8-channel class D amplifier. 002%) and more like 350 watts at 1% distortion. 7" wide x 13" deep x 3. EB1000 said: In terms of value and performance, I'd go with the NC400. Jan 15, 2023. PC - Keysion ES2981 - Truthear Zero Red Oct 17, 2020 · 4 channel NC502MP, XLR inputs (Neutrik), 12v trigger, Power LED, Black aluminum 2U case (17" wide, 12" deep) = $1049 shipped 4 channel NC252MP, XLR inputs (Neutrik), 12v trigger, Power LED, Black aluminum 2U case (17" wide, 12" deep) = $849 shipped These would be my first offerings as they can all fit in the same case. #1. The P452 doesn't really get warm. NC400 : Price/performance. 5. The SMPS3kA400 would be good too. The Purifi Eigentakt seems to be getting the most attention from reviewers. 5-inches in height, and weighs just 10 pounds. They have not disclosed the cost of the unit. PC - RME ADI-2 DAC FS - Neumann KH 120 II 4. This gave me a chance to compare the two in the same platform. While probably not an audible concern, it is nevertheless a blemish on the otherwise near perfect performance of the Purifi modules. We also offer Purifi EIGENTAKT 1ET400A, ASR review measurements of Nord Three SE 1ET400ADM MKII Purifi 1ET7040SA and soon the 1ET9040BA. Next are amps based on Hypex NC500 and the newer latest NCx500 up to the Hypex NC1200. Will be the first Hypex Nc502mp tested by Amir. If your P452 gain is not built with a 26. Like many of those "Marantz 7 Clone", "Matisse Clone", etc. I am looking at a March Audio. Jul 3, 2019 · For those (like myself) who might be unsure whether the Purifi 1ET400A is enough power for you, here is a data point that might be useful: Powering my Revel Salon2’s (86dB/2. As of today, the cost is: 6 channel NC502MP, XLR inputs (Neutrik), Mogami wiring, 12v trigger, Power LED (Blue) = US$1649 shipped. The 1ET400A has much less distortion though, both at 5 watts and at power. Jul 30, 2021 · Location. - according to graphs posted in Orchardaudio page (starkrimson), most of them are not as good as Purifi (1et400a) measurements - But Orchard Audio website specs for some Dec 11, 2019 · Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. Jun 13, 2020 · 2. Purifi 1ET400A - Class AB vs Class D ampAUDIOPHONICS HPA-S400ET Power Amplifier Class D Stereo Purifi 1ET400 is a Class D stereo pow Utilizing four Hypex NC252MP NCORE modules, this is the perfect 8-channel amplifier for adding more surround/height speakers or for use in a modest 7. This is a review and detailed measurements of the VTV Purifi class-D amplifier with the optional Weiss OP2-BA Op-amp (buffer/input gain stage). The stereo case adds £1'700, two monos £3'000 over a NC500 or NC1200 SE amplifier. The NC502MP uses 23W while idle while the P452 uses 16W idle. Reviews of VTV build quality vary widely. And Aug 13, 2022 · It is obvious you are not getting a Purifi Module inside. It is on kind loan from a member and costs US $2,090. PC - Keysion ES2981 - Truthear Zero Red Jul 3, 2019 · Yes, that is a primary purpose of the buffer. 2-Channel 450W. It was designed to meet power and precision requirements. The entire topology, including incorporated SMPS, was designed by Hypex for up to 250 watts of power per . Purifi : measures stunning in all areas, and became cheaper. Ireland. 00. Mar 20, 2023 · VTV has two 1ET400A amps and two NC1200 power supplies. "To try to judge the real from the false will always be hard. Offering nearly 2x the performance improvement over the last generation NC500 OEM module, the NCx500 represents a significant step forward for Hypex amplifiers, with up to 700 watts of power per channel (all channels driven) at extremely low distortion and an imperceptible noise floor level. Extrapolate to regular hifi shoppe sales on the high street. After done with the Onkyo, l'll listen to Hypex and TPA3255 vs Purifi. PC - Keysion ES2981 - Truthear Zero Red Aug 9, 2020 · - Hypex NC122MP, NC252MP, NC500MP, NC502MP - Hypex UcD2K/UcD2000 - Pascal - Purifi 1ET400A. I was prepared for that so I installed the standby switch the same night I received the amp. Neurochrome buffer and other SMPS with better components than Hypex is much better idea. The NC502MP will get warm to the touch with a 2 hour run even at 80dB listening Utilizing a single Hypex NC502MP NCORE module, this is the perfect 2-channel amplifier for large and/or full range stereo speaker systems. Similar electronically to the HPA-S400ET, this version is mounted in a more compact box making it easier to use in an environment where space is limited, its architecture also limits the length of the internal connections. Jan 15, 2022 · The Hypex NC500-based products put out over 200 watts into 8 ohms at minimum distortion (0. The Hypex NCx500 is a continuation of the excellent NCORE line. A class AB peak output power (in low ohmic load current peak) is usually not noted. Jul 27, 2020 · A pair of Purifi Eingentakt 1ET400A in the NAD Masters M33. May 16, 2022 · 2. PC - Keysion ES2981 - Truthear Zero Red Jul 2, 2023 · - NC502MP - Purifi 1ET400A - Purifi 1ET7040SA - Hypex NCx500 Software Features: - FW Updates (via Phone or WiFi) Add-On Card Features being explored (for future release) - DAC - Dirac Live - Parametric DSP Filters - HDMI EARC Jul 3, 2019 · 2. PC - Keysion ES2981 - Truthear Zero Red Jan 11, 2021 · You should be able to run three 1ET400A from one SMPS1200A400. PC - Keysion ES2981 - Truthear Zero Red We are proud to offer you the Audiophonics LPA-S400ET, a Class D stereo power amplifier based on two Purifi 1ET400A modules. Description. This is an Jan 24, 2022 · What I found was the P452 was 1 db louder than the NC502MP. PC - RME ADI-2 DAC FS - Neumann KH 80 DSP 4. Because this version of Class-D ( and some believe that this is the most advanced implementation of Class-D amplifier on the planet ) competes with Class-A, not class A/B. It was sent to me by the company and costs US $2,295. PC - Keysion ES2981 - Truthear Zero Red Nov 17, 2019 · This is a review and detailed measurements of the Nord Three SE 1ET400A Dual Mono Stereo Amp with the optional Sonic Imagery 990Enh gain stage. From the economical, integrated MP series NCore modules, ideal for home theater or multiway speakers to high-end NCore and Purifi-Audio Dec 1, 2020 · 2. 5dB gain stage but instead with the later offered 20. The additional power may be helpful for speakers that are less sensitive (closer to 80 dB vs 90 dB sensitivity). Personally, I like VTV’s case better, plus the extra yr of warranty. Stuart Yaniger was able to spend a few weeks with this next flagship for OEM applications. The buffer is used to increase the input signal level. That policy has since lapsed. Apr 5, 2023 · Apr 5, 2023. You won’t notice a difference in sound. Nov 29, 2023 Jun 19, 2023 · After researching this forum it seems that all 3 choices will sound the same. 75 pounds vs the 5. 00 Jul 3, 2019 · The bare 1ET400A is more of a component, and you have to supply much more yourself. VTV Amplifier is a custom builder of the latest generation of Class D amplifiers. Jul 19, 2021 · General FYI. 1ET400A is a single-channel, ultra-high performance, analog-input Class D Amplifier module capable of over 400W of power at an audio quality level that sets the standard for power amplifiers of any operating class. Jan 24, 2022 · The case on the P452 is a solid aluminum body which weighs in at 8. May 9, 2019 · 7. With that option, the cost is £1,979. Jul 11, 2021. May 31, 2023 · Does anyone know how a high end class D amp like the new Marantz AV10 16 channel amp would compare to something like the Buckeye 8 channel NC502MP amp along with a 3 channel Purifi 1ET400A amp for 11 channel amplification? Dec 19, 2021 · Some reviews of the Hypex NC502MP and Purifi ET400A based amps: SoundStage! Hi-Fi | SoundStageHiFi. This depends greatly on the PSU build. Nowadays, you can get a Purifi Stereo amp for less than a double mono NC400 DIY kits. 2ch Purifi 1ET7040SA = MSRP ~ $1750. 7Vrms (8ohm) 92% efficient. Rated 5. 26dB Voltage Gain. Oct 1, 2022 · 2. Input Sensitivity: 1. I just reviewed the same amp but with SIL 994EnH-Ticha Pro buffer so you can compare them. Last edited: Dec 4, 2020. The chassis has heat sinks along the side and I put the 1ET400A and the Neurochrome Purifi/Hypex Input Buffer on a small aluminum plate that I then mounted to the heat sink. The entire topology, including incorporated SMPS, was designed by Hypex for up to 500 watts of power per channel (all channels driven) at incredibly low levels of distortion and noise floor. PC - Keysion ES2981 - Truthear Zero Red Jul 3, 2019 · 2. I decided to buy a ready built Purifi 1ET400A based amp, to pair with my Rotel RC995 pre-amp and my Acoustic Research AR11 speakers. PC - Keysion ES2981 - Truthear Zero Red NEW Stereo VTV Amplifier with Purifi-Audio 1ET400A modules. The Sparkos Labs SS78 and SS79 Jul 3, 2019 · It is the same really. 12W standby operation. Vidar will likely do the stated 100 W all day every day, likely more (as some measurements will show). ruzun; May 31, 2023; Amplifiers, Phono preamp, and Analog Audio Review; Replies 4 Views 3K. 0. Last edited: Jan 18, 2024. Here is the 5 watt comparison: View attachment 28885. 00 out of 5. Since the OP can get the ML's for $340 less than the Sierra's (then someone said there's a 2 month wait for those!), so I said try out the ML's so this way if he likes Specifications: High Input Impedance: 47K. 2ch Hypex NCx500 = MSRP ~ $1450. The new amplifier Purifi has up to 4 modes of operation in the feedback control control path under stress conditions, general listening the Ncore and Purifi are the same, but there are modes during full Jan 15, 2023 · 245,057. Jul 3, 2019 · This is a review and detailed measurements of the Purifi 1ET400A Class-D amplifier module. As an authorized dealer for Hypex, PASCAL A/S, and Purifi-Audio, we can customize a design for your specific application. With the kit, I'll get Hypex's layout and materials and my workmanship, which I trust. Feb 27, 2023 · PURIFI 1ET400A vs Hypex NCORE NC500. The unit was purchased new and drop shipped to me by a kind member. PURIFI 1ET400A. How will this improved Feb 23, 2022 · But even though the distortion is lower than older class D. 5dB gain then the settings for level matching will obviously be different. 6. Jun 13, 2020 · The Purifi 1ET400A module does not need double mono (Hypex SMPS1200 x2), it is a silly way to waste money. Jan 24, 2022 · Currently listening to Onkyo vs Purifi on R3 - first proper volume-matched comparison I do, assuming these amps will be the most different from the set. There are actual differences but you need to have a respect for control theory and science not just sound figures. I put my 1ET400A build in a 90ish mm tall chassis. Looks great. LG 77C1 - Marantz SR7005 - Apollon NC502MP+NC252MP - Monitor Audio PL100+PLC150+C265 - SVS SB-3000 3. It would be dependent upon whether the input voltage in question is sufficient to drive both amplifiers to their respective maximum outputs (without clipping the 252's input in the absence of clamping). PC - Keysion ES2981 - Truthear Zero Red Feb 23, 2022 · Marantz AV10 Class D vs NC502MP/Purifi 1ET400A based amps. Amp is projected to ship directly to Amir around Mid-September. This translates into US $2,554. Jan 24, 2022 · Marantz AV10 Class D vs NC502MP/Purifi 1ET400A based amps. ASSEMBLED IN THE USA — 30 Day Trial. Jul 3, 2019 · First with Hypex modules and now with the Purifi 1ET400A. . That small 1 dB variation is not substantive. 00 Purifi 1ET400A Multichannel Amplifier (6-12 Channel) 3,790. Their range of web-direct Eigentakt-based mono, stereo and three-channel amplifiers starts at £625 and increases according to the number of channels, chassis type and connectors. PC - Keysion ES2981 - Truthear Zero Red Feb 10, 2021 · The real continous power output of Hypex NC502 module is 100 W per channel. Seattle Area. It stays amazingly cool. out there I guess. Have a look at their datasheets. That turned VTV AMPLIFIER Eight Channel Hypex NC502MP+2XNC252MP+NC122MP NCore Amplifier 2X500W 4X250W 2X125W. Jul 3, 2019 · 2. #16 · Apr 18, 2014. Sheet metal is rather thin and fitment not that great. VTV AMPLIFIER Four Channel Hypex NC502MP NCore Amplifier 500Wx4. $750. Im afraid your CPU analogy is not the case The NC500 and NC502MP are simply different products aimed at different markets. $ 1,979. The Hypex NC252MP NCORE is an all-in-one dual channel amplifier module. I listened to the Hypex NC400 DIY mono blocks a friend of mine owns and I was very impressed. The seller is playing the title/description game as "1:1 Replica Hypex Purifi 1ET400A" which does not even make sense. Availability: 5+ in stock, ready to be shipped. Apr 13, 2014 · Jahjd2000. #9. Based on a duo of Hypex NCORE NC500MP OEM modules, this class D amplifier has tremendous efficiency thanks to two switching power supply units with synchronous control. Tried to keep this simple. The UK’s Nord Acoustics was first out of the gate. May 28, 2020 · Apollon has a NC500 3-channel for 2,400€ and a Purifi 1ET400A version for €2,600. Company was kind enough to send me a complete, assembled kit consisting of two modules, power supply and case, ready to go. 6Vrms (4ohm) / 1. se yf ah nk bi bq gv lg gn cf