Customer Service: (323) 231-3525 Sundown Audio, Sundown Audio, 514 W 21st St ,Newton, NC 28658 Importer Hype Audio Inc E-1/75, Sector-11, Faridabad - 121006 Item Dimensions LxWxH 42. Sundown Audio SFB-1000. FWIW all other sundown Amplifiers are pretty good quality as far as I know these problems are limited to the SFB series. 5v-15. diyAudio Member. Sundown Audio SFB 200-4 Class D 4-Channel Full Range Amplifier WoofersEtc. Under-seat Sundown SD-4 in fiberglass enclosures. Amps include the appropriate packaging along with bass knob equipped with a clip light. Brand NewSundown Audio SFB-5000DMonoblock AMP 5000 Watts RMS Subwoofers Bass AmplifierKey Features:1 ohm Mono RMS 5000W2 ohm Mono RMS 3200W4 ohm Mono RMS 2200WRecommended Fuse Rating 220A x 2Low Pass Filter (Variable) 80Hz-20kHzHigh Pass Filter (Variable) 15Hz-80HzBass Boost @ 50Hz 0-12dBInput Sensitivity 5V MaxS/N Ratio 100dBWorking Voltage 10. 1 x 8120 Watts RMS @ 2 Ohms. 75 Posted on Tuesday, March 16, 2010 - 21:39 GMT. • 12 dB/Octave – Variable Low Pass Filter. Sundown 1200 d amp problem. #Sundown #AmpDyno #SundownAudio Today we are taking a closer look at the smallest model in Sundown's new SFB lineup. The amp features a 12AX7 preamp with an EL84 power amp, 8-inch custom speaker, volume, treble and bass controls and 5-watt output. 4D Audio Control LC7i I have a couple things I’m not sure of: 1. 4V DC - 2 Ohm 320W x 4 Channels. 590 watts x 4 @ 2 ohm, 14. Power, 1 OHM Stable. Shipping calculated at checkout. 5 coaxial 2 Rockford PBR's 300x2 1 Kinetic battery under rear seat , Big 3 Sundown Audio LLC 514 W 21st St Newton, NC 28658 phone: 828-459-1980 fax: 866-899-4817 Contact Support This is a 4-channel amplifier by Sundown Audio. Fixing problems since 2010. 6ohms Amp Sundown SFB 3000K Mids all Alpine type R 's 1 set of 6. These amps a super small and really cheap but they buyout the power. Sundown Audio SFB-2000D Digital Class-D Mono Block Amplifier, 2000W MAX. 4 Amplifier” Cancel reply. 5 (5 Channel Full Bridge amplifier) 1-2 channel at 2 ohm – 300 w rms. Tune next week will put me at ease. 4V DC - 1 Ohm 1050W x 4 Channels. Key Features: KEY_TAB. I need some help figuring out what wrong wit my Amp it’s a SFB-1500 sundown audio and it’s in clip and prt mode I have it on a 12 SUBMIT AN RMA. I was going to go with the Sundown SFB 2000. Sundown SFB-600D amp, for the sub (600 watts into 1 ohm) Sundown SD-4 10'' dual 2 ohm sub 3/4'' MDF for the custom down firing sub box, going right behind the center console Sky High MLV 3 in 1 sound deadening material Misc. What do you guys think of the sundown sfb line of amplifiers. Power Handling: RMS Power at 14. M. br Sundown Audio SFB-3000d amplifier - $285 (Huntsville) < image 1 of 7 > condition: like new make / manufacturer: Sundown Audio model name / number: SFB-3000d The amp is capable of 350 watts RMS x 1 at 4 ohms and 500 watts RMS x 1 at 2 ohms. 5 coaxial 2 Rockford PBR's 300x2 1 Kinetic battery under rear seat , Big 3 In all amp dyno tests that were performed on this series of Sundown amplifiers, the result was the SFB amplifiers outperforming their power ratings by substantial amounts. -----AS OF 1/20/19-----SFB-1000D (extra small case) : April 2020 : $189. 1410 watts @ 1 ohm, 14. 1050 watts x 4 @ 1 ohm, 14. Check out dB-r Electronics for authorized Sundown refurbs. Jump to Latest Follow 1 - 4 of 4 Posts. 5 channel, at 1 ohm: 1000w. 4L is giving me problems i’d really appreciate the help. 4V DC - 1 Ohm 500W x 4 Channels. Full Range Digital Class-D Mono Block Amplifier. I'm guessing it's the amp that just needs to be replaced but I'm unsure. millar1982 · Registered. Picked up a Sundown SFB-1000D Amp for $189 from my local store, SFB-3000D MONOBLOCK AMPLIFIER. Brand: Other. 25″ x 2. This is a "full range" mono ideal for "PA" type speakers as well as standard bass applications. 4V DC 4 ohm Mono: 680-watts. This amplifier is in good cosmetic condition but may show signs of use or light So I have 2 sundown sld 12s 600 watts rms each wired at 1 ohm on a sundown sfb 1000. 99. This amplifier has been mechanically refurbished and stress tested, and it performs flawlessly. 4v. The new SFB series is being kicked off with a 500. 4. It actually makes me a little nervous because its too loud at 75% and isn't clipping. 4V DC 1 ohm Mono: 1750-wattsRMS Power at 14. 1 and run it at 2 ohms, but now I'm starting to see bad stories about the SFB amps. Cheapie Blaupunkt dynos out at about 4x 50W, will eventually be replaced or augmented. SUNDOWN AUDIO SFB-1500D | MONOBLOCK CLASS D AMPLIFIER FEATURES: Digital Class-D Mono Block Amplifier Dual MOS-FET PWM Power Supply 1 Ohm Stable Load 12 dB/Octave – Variable Low Pass Filter 12 dB/Octave – Variable High Pass Filter 9 dB/Octave – Variable Bass Boost 4 Way Protection Ciruit (Thermal, Voltage, Speaker Short, DC Offset) I purchased Sundown SFB-1500 for my subs. The SSF frequency will be generally be at somewhere around -3 dB to -6 dB depending on the type of crossover design used. 25" wheel spacers, 255/75/r17 Yokohama Geolandar A/T, Kenwood Excelon DDX396, Excelon front and rear door speakers, Skar Audio SK-M9005D, Sundown Audio SFB-3000 sub amplifier, Sundown X-Series 15" subwoofer, LUMEN Black Factory Style Projector Headlights, Hikari LED headlight and . Find helpful customer reviews and review ratings for Sundown Audio SFB-3000D 3000W RMS Class D Amplifier at Amazon. 4 a 4 Channel Full Range Product Description. 5 has more PCB screws, larger rectifiers, and very importantly it has semi-encapsulated output inductors (they will tolerate a lot more vibration) Sundown One is an electronics store and custom installation provider in Springfield Illinois for home audio / video, home automation, home networking and integration services. Product Features: Monoblock Class D Amplifier. About: Sundown Audio SFB-1500D Amplifier. Go with the sundown sfb-8000d. I’m current looking at the sfb 5000 for like $470. 50″ x 2. You can find some of the amp dyno results of the SFB-1000D in a YouTube video from Williston Audio Labs by clicking HERE . SFB Amplifier Remote Knob. Discussion Starter · #1 · Sep 7 I purchased Sundown SFB-1500 for my subs. 4D Class D Number of the channels 4 Frequency response 15 – 20000 Hz 1 Ohm RMS Power (14. I was just leaving work listening to music when the clip light just came on and stayed solid. For sale is my vibe black air 2 subwoofer. 4 (4 Channel Full Bridge amplifier) 350 watts x 4 @ 4 ohm, 14. My problem is I can only put the amp to about quarter gain or a little more and it starts clipping. 4V DC 2 ohm Mono: 1220-watts. RMS Power at 14. They are a "full-bridge" design aimed at high power per dollar value as well as compact size! These amps are NOT made to be wired lower than their rated loads. Internal volume is . A reputable sundown employee I was dealing with throughout this rma told me they sold more sfb 1,000-2,000 then all their other amp lines I think the Sundown SFB is a good line but it has not been around long enough to know how reliable IMO. Product Description. Product Condition: USED AND REFURBISHED Product Description: This is a large monoblock amplifier made by Sundown Audio. Frequency Responce: 10 Hz - 20K Hz (-3dB) Sundown Audio SFB 500-4 Class D 4-Channel Full Range Amplifier WoofersEtc. 4 Amplifier Compared to some earlier prototypes SFB-1000. 3-4 channel at 4 ohms 200 w rms. 4 V) 320 W x 4 4 Ohm RMS Power (14. Sundown Audio LLC 514 W 21st St Newton, NC 28658 phone: 828-459-1980 fax: 866-899-4817 Contact Support Description. but decided to go for sq and not spl because I want more clean sounding bass not just booming loud so went 2 12w6 ported box and it sounds loud and clean now in the process of installing a dsp a 6 channel amp and active 3 way focal set to match the works!. 76″ x 22. Mono and Multi-Channel. It’s rare you ever hear somebody with a problem with a sundown amp, almost never. Sundown Audio full bridge Amplifier. Nice setup I was going to get a z15 in ported box matched with my scv2000d. Today I bought a Skar DDX-15 sub at 2ohms and I’m considering buying a Sundown sfb-1500 amp at 1ohm. 20210610_085341. When I replace the tweeters, how am I wiring them up with the crossover, speaker in the door and the LC7i? I can’t get wire from the speaker in the door to the tweeter. Sundown Audio subwoofers are purpose-built to handle the rigors of the basic beating down the block, to handing out “take-your-breath-away” demos, to also ruling the SPL lanes, all while making Celine Dion sound absolutely superb. ex Shipping. 5 components and 1 set of 6. Two subs on a 500 watts RMS amp will want about 250 watts RMS each. Let’s say you choose to maximize the amp’s potential and want the system to put out 500 watts RMS. 4V DC 4 ohm Mono: 680-wattsFrequency Response: 10 Hz - 20K Hz (-3dB)Bass Boost 0 dB - 12dB (50Hz)Input Sundown Audio SFB-500. 12 dB/Octave – Variable High Pass Filter 9 dB/Octave – Variable Bass Boost. 4 Channel AMP Component Speakers Tweeters Amplifier. I don’t get it how does something that small with barley anything in it do so much power. I lost all bass and have no clue how to fix it. Sundown Audio 1 Ohm Stable Class D 600W Amplifier. This is a 4-channel amplifier by Sundown Audio. Sale price$230. 00Regular price$409. 25’ 0 gauge power and ground wire with 5/16 lugs to crimp, hammer style crimper, 1/2” red/black expandable loom, 200 amp circuit breaker, Knukonceptz 3 way distribution block, ground distribution block, and ferrules. SPECS: Monoblock Class D Amplifier; SFB-2000D Monoblock 2000W RMS Amplifier The Sundown amp dynos out at about 1,600W at 1 Ohm, far more than needed with the ID10, although it will likely get upgraded to an IDMAX or similar in a sealed box. 5vDimensions: 9. 2000 Watts Max RMS Monoblock Car Audio Amplifier. 5D ( 5 Ch Full Range Amplifier) Description 5 Reviews The new SFB series is being kicked off with 1800. Namely, they can be much smaller and less expensive than the traditi This is a monoblock amplifier by Sundown Audio. Sundown audio sfb-1500d monoblock amplifier 1500. Regular price. 13,800 wats @ 1 ohm, 14. (AP) — A red siren perched atop a small town’s volunteer fire department sounds every night at 6 p. Digital Class-D Mono Block Amplifier. thanks. here’s two alternatives that I can promise you they are way more stable yes I know one is a skar, they are made by the same damn company in Korea that makes sundowns amps. SFB-1500D Monoblock 1500W RMS Amplifier. • 1 Ohm Stable Load. These are "full range" amplifiers across the board. ft. 4V DC 4-Ohm: 1140W RMS. For-11ck style harness. If anyone knows why my 2009 honda accord 2. 5D a 5 Channel Full Range Amplifier. 2007 V6 Limited - Cornfed 3/2 lift, Bilstein 5100s, Sixity 1. SUNDOWN AUDIO SFB-1500D | MONOBLOCK CLASS D AMPLIFIER FEATURES: Digital Class-D Mono Block Amplifier Dual MOS-FET PWM Power Supply 1 Ohm Stable Load 12 dB/Octave – Variable Low Pass Filter 12 dB/Octave – Variable High Pass Filter 9 dB/Octave – Variable Bass Boost 4 Way Protection Ciruit (Thermal, Voltage, Speaker Short, DC Offset) Recently upgraded my car audio system, my current sub-woofer is Sundown Ev3 12″ D2 sub-woofer (500W RMS at 4 Ohms) powered by Sundown SFB-1000D Mono Amplifier (1 ohm RMS=1000W, 2 ohm RMS=850W, 4 ohm RMS=500W) I am planning to upgrade my sub-woofer to SA series SAv2 12″ D2 (1000W RMS at 4 ohms). 5 Amplifier Compared to some earlier prototypes SFB-1800. Is the problem the amp design? Will it damage the subs if I let it continue? Should I just buy a bigger amp? (2) Dayton Audio 12s in 2. 3 KB, 61 views) About: Sundown Audio SFB-1800. Not as much as you use to but still enough to worry a little bit. SUNDOWN AUDIO SFB-1000D MONOBLOCK [email protected] SUBWOOFERS BASS SPEAKERS AMPLIFIER. 1 Ohm Stable Load 12 dB/Octave – Variable Low Pass Filter. Sundown sfb-8000D. If you have a -12 dB/octave LR SSF and you're setting it to 32 Hz, you're starting to drop power at around 43 Hz since it'll be -6 dB (or half voltage) at 32 Hz. SUNDOWN AUDIO SFB-1500D Monoblock Amplifier 1500 W . Available at: APPLETON. • 4 Way Protection Ciruit (Thermal, Voltage, Speaker Short, DC Offset SFB are full bridge Chinese made amps. Please complete the form below to receive an “RMA” number to return your product for service (warranty or non-warranty). This means your subs have to be wired to form a total impedance of 2 ohms. Amp isn't in protect mode but the power and clip light are just solid and no output to subs. These subs should easily be able to take all the power from this little amp. There are no reviews yet. Part of sundowns at least certain employees of sundown not necessarily Jacob's excuse for there being so much talk about bad sfb amps is because they have sold wayyyyy more then any other amp line they have. I think we will be seeing alot of Chinese full bridge amps coming out soon. Even better bass that I had in the JK. This includes but is not limited to light scratching and light gouging. But you hear people with a problem with a Brazilian amp often. m. The ST-5 sounds great clean and distorted, achieving British-like overdrive tones. Key Features: Model: SFB-1000. jpg (1,000. I like Sundown amps, but the only one I would buy brand new, is the SAE1200D (1500x1 at 1ohm)for like $275/$300shipped. Full Range Mono Amplifier, 1000 Watts Cont. In all amp dyno tests that were performed on this series of Sundown amplifiers, the result was the SFB amplifiers outperforming their power ratings by substantial amounts. I have a Sundown sfb-8000D and need help identifying mosfets with markings D1 and the drive IC 9. $189. 9 x 7 Centimeters Generic Name Car Audio Amplifier Sundown SA-10 sub Sundown SFB-1000D Sundown SFB-200. Home / PRODUCTS / AMPLIFIERS / SFB SERIES / SFB-8000D. Product Videos. $499. After quite a bit of research, deliberation and consideration of budget constraints, I believe I made a great choice with the Sundown SFB-1000D. 7 cu. Not really sure what to do from here. 1-2 channel at 2 ohm - 300 w rms 3-4 channel at 4 ohms 200 w rms 5 channel, at 1 ohm About: Sundown Audio SFB-1000. Default Title. Skip to main content. Once realizing my sub didnt match very well with my amp I decided to get a new one of each. 4 Way Protection Circuit (Thermal, Voltage Description. 4 has more PCB screws, larger rectifiers, and very importantly it has semi-encapsulated output inductors (they will tolerate a lot more vibration) SFB-2000D - Sundown Audio Monoblock 2350w RMS Amplifier : Amazon. Amplifier Install Kit. Right now I can only seem to source them from eBay. Brazilian can do it too, but I wouldn’t trust it as much as I trust sundown. 14″ x 2. About: Sundown Audio SFB-1000D Amplifier. Brand NewSUNDOWN AUDIO SFB-1500DMonoblock Amplifier 1500 Watts RMS Subwoofer Bass AmplifierKey Features:Monoblock Class D AmplifierSFB-1500D Monoblock 1500W RMS AmplifierPower Handling:RMS Power at 14. If I'm only running this amp on 2 ohms would it be ok? Do you guys have a better recommendation on an amp that can run around 1300 watts at 2 ohms for $300? Sundown Audio SFB-1500D Monoblock 1500W RMS Car Amplifier. 5 cubic ft box tuned to 35hz slightly bigger than the manufacture recommends. High-quality metal control knobs to set it apart from other models in it's class. 1 x 13500 Watts RMS @ 1 Ohm. No worries with sundown. Ensure that you clearly write this number on the outside of the returned package (s) The address you enter below MUST be your actual shipping address. Does anyone replace the 6-pin ICs? zxgd3005e6ta as I believe. Power Handling: Maximum Output Power at 14. Finally finished installing the 4 channel amp and fixed the static issue! Find helpful customer reviews and review ratings for SFB-1000D - Sundown Audio Monoblock 1750w RMS Amplifier… at Amazon. 4 Amplifier Model SFB-500. sg. $199. 860 [email protected] 2 ohm, 14. MINDEN, Nev. Your email address will not be published. SFB-8000D – Sundown Audio. • 9 dB/Octave – Variable Bass Boost. SFB-1000D. One minute it's working and the next minute it's not, usually with the green power LED on the amp turning to red or orange. Hello Select your address There's a big problem with that. Sundown Audio for both Subs- 2, SLD12in D4 Amp- SFB-1000D Sundown Audio LLC 514 W 21st St Newton, NC 28658 phone: 828-459-1980 fax: 866-899-4817 Contact Support Description. 2. $34. Sundown Audio, Sundown Audio, 514 W 21st St ,Newton, NC 28658 Importer Hype Audio Inc E-1/75, Sector-11, Faridabad - 121006 Item Dimensions LxWxH 42. There will be signs of normal use on the amplifier. Discussion Starter · #1 · Sep 7 i have a sundown sfb 5000 watt amp. Add to cart. 5 Channel; at 2 & 4 ohm : 500 at 2 / 250 at 4. SUNDOWN AUDIO SFB-500. Dual MOS-FET PWM Power Supply. Sundown Audio SFB-1800. Maximum Output Power at 14. 4-Channel Component Speakers Tweeters Amplifier. thebasser. ct. 99 . Amplifier Protection Mode Troubleshooting . This series IS NOT suggested for operation under the rated 1-ohm load. Quantity must be 1 or more. RMS Power @ 14. The problem with these is, they're not available anywhere from what I can tell. Monoblock Class D Amplifier. We will use this address to return your product when Home > Sundown Audio > Sundown Audio Amplifiers > Sundown Audio SFB. 4/Silverflute mids/CT2 tweeters/Sundown Xv2 15"/Taramps DSP3k/Northstar SMSAGM80. 4V DC - 2 Ohm 590W x 4 Channels. Sundown Audio | SFB-8000D. 9 x 7 Centimeters Generic Name Car Audio Amplifier SUNDOWN AUDIO SFB-3000D | MONOBLOCK CLASS D AMPLIFIER FEATURES: Digital Class-D Mono Block Amplifier Dual MOS-FET PWM Power Supply 1 Ohm Stable Load 12 dB/Octave – Variable Low Pass Filter 12 dB/Octave – Variable High Pass Filter 9 dB/Octave – Variable Bass Boost 4 Way Protection Ciruit (Thermal, Voltage, Speaker Short, DC Offset) Wired Brand New. 4V DC 2 ohm Mono: 1220-wattsRMS Power at 14. Attached Images. Buy SFB-2000D - Sundown Audio Monoblock 2350w RMS Amplifier: Mono Amplifiers - FREE DELIVERY possible on eligible purchases fast delivery SFB-2000D - Sundown Audio Monoblock 2350w RMS Amplifier: Car Electronics first time reply -industria40. 1 x 5550 Watts RMS @ 4 Ohms. 00″ x 11. 4V DC 2-Ohm: 2025W RMS. 4V DC 1-Ohm: 3000W RMS. 2016 Focus ST3 - Rockford DSR1/PPI 900. Frequency Response: 10 – 20000 Hz. 1000 watts @ 1 ohm, equipped with bass knob and clip light. 99 SFB-1500D (extra small case) : April I will be powering it with the same amp that I use on my skar(a sundown sfb-1500d), I know they can handle more the 1700w rms but my electrical system will be overdriven if I keep upgrading amps, I think I will put 2 sa classic-12s in a 4. com. Input Sensitivity: 200MV. 4V DC - 4 Ohm 350W x 4 Channels. Join Date: Jul 2018. edu. Compared to some earlier prototypes SFB-1000D has more PCB screws, larger rectifiers, and very importantly it has semi-encapsulated output inductors (they will tolerate a lot more vibration). I can't imagine ever needing more power than the SFB-1000D. Sale price. it’s only been used once so in excellent condition #1. tuned to 27hz. One of the more confusing car stereo problems can be when an amplifier goes into protection mode. My other question is about the audio system. 78″ 1 Ohm Stable Full Range Digital Class-D Mono Block Amplifier Dual MOSFET PWM Power Supply Low Pass Crossover: 80 – 20000 Hz (12dB/Octave) High Pass Crossover: 15 – 1000 Hz SUNDOWN AUDIO SFB-1500D | MONOBLOCK CLASS D AMPLIFIER FEATURES: Digital Class-D Mono Block Amplifier Dual MOS-FET PWM Power Supply 1 Ohm Stable Load 12 dB/Octave – Variable Low Pass Filter 12 dB/Octave – Variable High Pass Filter 9 dB/Octave – Variable Bass Boost 4 Way Protection Ciruit (Thermal, Voltage, Speaker Short, DC Offset) SUNDOWN AUDIO SFB-1800. Read honest and unbiased product reviews from our users. 1 Ohm Stable. , sending a piercing noise echoing through the ranches and towns of northern Nevada’s Carson Valley including Dresslerville — a community governed by the Washoe Tribe of Nevada and California. 99 Sale. 3 DD SL 10’s D4 ohm Sealed box 2. SFB stands for Sundown Full Bridge and these amps have many benefits over traditional half-bridge Class D amps. Number Of Channels: 4. They will be replaced by the SIA series. 6 cu ft and the woofers are powered by a newly released SFB1500D 1500 watt amp. 52″ x 4. utfpr. What I need to figure out is if this would work well and if I could go without getting a high output alternator. This is one reason Sundown Audio sticks out from the rest of the subwoofer pack. • 12 dB/Octave – Variable High Pass Filter. We provide a complete range of custom installation services for home theaters, media rooms, lifestyle rooms, multi-room systems, distributed audio/video and media servers Sundown is returning to its roots by introducing the latest in their new tube line of amps, the ST-5 Tube Deluxe. 4D. 4 V) 500 W x 4 1 Ohm RMS Power (12 V) 450 W x 4 2 Ohm RMS Power (14. d. Updates; So it seems I was under-powering the subs, which made them sound shitty. SIA are 1 and 2 ohm rated the same and supposedly are more efficient. Dual MOSFET PWM Power Supply. Customer Service: (323) 231-3525 Brand New. 72″. 5,550 watts @ 4 ohms, 14. Find helpful customer reviews and review ratings for SFB-1000D - Sundown Audio Monoblock 1750w RMS Amplifier… at Amazon. Joined Jan 24, 2009 · 30 Posts . 510 watts @ 4 ohm, 14. 5 x 22. Find many great new & used options and get the best deals for Sundown Audio Sfb-13500D Monoblock 13800 Watts Rms Subwoofers Class D Amplifier at the best online prices at eBay! Free shipping for many products! Im also going to replace the drivers ICs, as there are two in this amp; IRS20957S as I believe - scratched off as well; that is IF I can find them. Product Reviews. wiring Now I need an amp to go with it. Reviews. i have a sundown sfb 5000 watt amp. Pioneer MVH-S522BS head unit, JBL 602C components, JL RD400/4 amp, Sundown SA-12 Classic subwoofer, JBL GTR-1001 amp, Knukonceptz fuse blocks/wiring, Stinger rca's. I might just be missing something but what’s the catch with these. SFB-3000D DIGITAL MONOBLOCK FEATURES. SUNDOWN SFB-2000D. Compared to some earlier prototypes SFB-1500D has more PCB screws, larger rectifiers, and very importantly it has semi-encapsulated output inductors (they will tolerate a lot more vibration). 4 a 4 Channel Full Range This is a monoblock amplifier by Sundown Audio. 4V DC 1 ohm Mono: 1750-watts. (W x H x D) 11. Additional information. Surprisingly enough, my amp came in a day early and on a Sunday at that. Be the first to review “Sundown Audio SFB-1000. Sundown Audio full bridge 13500 watt RMS monoblock amplfier. 8,120 watts @ 2 ohms, 14. • Digital Class-D Mono Block Amplifier. 4 V) […] There's a big problem with that. SUNDOWN AUDIO SFB-1000. Hello DIY techs. SPECS: Features: Monoblock Class D Amplifier. sg: Electronics. Write a Review. • Dual MOS-FET PWM Power Supply. The rest are to rich for my blood, unless bought used. 1 x 600 Watts RMS @ 1 Ohm 1 x 350 Watts RMS @ 2 Ohms 1 x 250 Watts RMS @ 4 Ohms (W x H x D) 7. Amp is Sundown sfb-1000D Sent from my iPhone using Tapatalk This is a 4-channel amplifier by Sundown Audio.