Ceiling and Wall Speakers. Add to Favorite Sellers. Sign up to Newsletter. Acoustic Audio WS1005 Passive Subwoofer Amp 200 Watt Amplifier for Home Theater. Acoustic Audio by Goldwood WS1005 Passive In Wall Subwoofer Amplifier This amp is the key to integrating your home receiver and in wall passive subwoofer Receives LFE or RCA inputs from receiver and raw wire outputs to sub speaker Total system power of 200 watts Frequency Response of 50 – 200Hz at 4-8ohm Volume and Crossover Control knobs LFE and RCA inputs for use from a home audio receiver and Raw Wire outputs to sub Power Supply of AC 18V and Fuse of 3A / 250V included Compact size of (H x W x D): 2.25″ x 8.5″ x 6″ System Requirements Any home audio receiver with RCA passive sub output Passive subwoofer to power CL3 Rated in wall certified raw speaker wire to connect your amp to the speaker Applications Home Theater Systems Surround Sound Systems What’s in the box 1 Subwoofer Amplifier with power supply 6 Foot RCA Cable RCA Connector “Y Adapter Instruction Manual. Goldwood Sound manufactures the industry’s highest quality audio products and sells them direct to the consumer at the lowest prices. We do not use middlemen so our customers get the prices and service they deserve. Gold Standard Customer Service. The Goldwood Sound team has extensive backgrounds in audio and retail. We understand the importance of quality customer service. We pride ourselves on repeat customers. Goldwood Sound is proud of our gold standard customer service. Please see the listing? Tab for pricing information. O boxes, or APO/AFO addresses. View more great items. Acoustic Audio HD-S10 Flush Mount Passive Subwoofer In Wall with 10 Speaker. Acoustic Audio HD-S10 Flush Mount Passive Subwoofers with 10 Speaker 4 Pack. Acoustic Audio HD-S10 Flush Mount Passive Subwoofers with 10 Speaker 2 Pack. Acoustic Audio HD-S10 Flush Mount Passive Subwoofers with 10 Speaker 3 Pack. 2.1 Speaker Systems. 5.1 Speaker Systems. Indoor and Outdoor Speakers. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.
2.0 Channel Amps. 2.1 Channel Amps. Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Mono Amp TPA3255 for Subwoofer Desktop Home Theater Bookshelf Tower Floorstanding Passive Speakers with 48V Power Supply. Innovation: This new generation mini amplifier offers both stereo and mono modes, adapts flexibly to your diverse needs, allowing seamless mode switching. In stereo mode, it delivers a robust output of up to 180W, while in mono mode, the power soars to a maximum of 235W. Pair two ZA3 units in mono configuration to create a powerful audio system, significantly enhancing your listening experience. Richer Connectivity: Debut amplifier with balanced input and trigger in, the ZA3 features a balanced combo audio signal input connector supporting both XLR and 1/4 TRS plugs. This design minimizes interference and reduces noise floor. The 12V trigger-in connector enables synchronization with. Other devices, streamlining the process of turning on/off without individual operations. The ZA3 features the TPA3255 high-end Class-D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality. Advanced Heat Dissipation: Based on V3’s groundbreaking heat dissipation design, we upgraded ZA3’s cooling system by featuring a larger chassis, moving vents to the sides, and adding dust covers to achieve better ventilation for a sustained and stable high power output. Enhanced Scalable Fun: Personalize your audio experience with the op-amp rolling feature! The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, etc. To fine-tune your sound to perfection. Amplifying Your Voice, Shaping Our Innovation. At Fosi Audio, behind every innovation, there’s a story. The birth of the ZA3 amplifier is just such a story, centered around our users. After the launch of the V3 amplifier, we gathered innumerable feedback from passionate audiophiles. They expressed a desire for us to develop an even better amplifier based on V3. Input: RCA, XLR, ¼TRS; Output: Stereo, Mono. Frequency Response: 20Hz-20kHz (±0.1dB). Power (48V5A): Stereo-180W2 (4? Load). Frequency response: 20Hz-20kHz (±0.1dB). Input sensitivity: 0.775V. Signal input mode: RCA/XLR. Power amplifier chip: TPA3255DDVR. 48V/32V power supply X1.
Powerful 4 working modes: A200 can be used as a full-frequency amp or a subwoofer amp, with mono / 2.0 channel stereo mode and full-frequency / subwoofer mode switch, easily to use any combination to build various sound systems and satisfy different demands. Strong compatibility and large output power: Adopt NE5532 op-amp and TPA3250 amp chip, equipped with 32V/5A large power supply, enough to drive 100W full frequency speakers and 160W subwoofers, can match most home speakers. User-friendly design: With a bass frequency adjustment (40-160Hz), easy to get a perfect sound according to your listening preferences; designing a VU meter sensitivity regulator, easy to adjust and match the audio signals of different levels to get better visual effects. Nobsound & Douk Audio. Preamp & Phono Stage. DAC & Audio Adapter. Music Spectrum & Clock. Record Player & Turntable Part. Audio Board & DIY Kit. Bluetooth & XLR & MIC. Tube Sound Level Meter. LED Sound Level Meter. Board & DIY Kit. Record Weight & Clamp. 1/8 & 1/4 Stereo Jack Cable. HiFi Mono/2.0 Channel Digital Amplifier Full Frequency / Subwoofer Power Amp. If you want to use mono channel output, please connect the subwoofer or speaker to the top group of speaker jacks marked PBTL. Connect to 1PC passive speaker. Connect to 1PC passive subwoofer. Connect to 2PCS passive speaker. Connect to 2PCS passive subwoofers. Unique appearance and proper size: Vertical placement design, with retro and elegant VU meter, fashionable and durable solid aluminum chassis, both enjoyment of auditory and visual, very suitable for HiFi home and desktop audio system use. Audio input: Stereo RCA. Audio output: Banana speaker jacks. Max output power of 2.0 channel. Max output power of mono channel. Bass cut-off frequency: 40-160Hz. THD: 0.02%(1kHz, 1W). Input sensitivity: 0.775V. Frequency response: 20Hz-20KHz(±3dB). Net weight: 768g/1.69lb. Package weight: 1.50kg/3.31lb. Dimensions:(WDH): 50137146mm / 1.975.395.75in. Package dimensions(WDH): 30023065mm / 11.819.062.56in. Please leave VALID TELEPHONE NUMBER which is necessary and very important. For package less than 2KG, we use. (10-25 days to most countries). And for package over than 2KG we use. (5-8 days to most countries). Free Return Within 30 Days. We provide return within 30 days. Is provided for all items. Man-made damage or misuse. Audio accessories and consumables such as vacuum tubes. If you are satisfied with our products and service please leave a 5-star. Feedback, we will provide better solutions until you are satisfied. Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including. Douk Audio / Nobsound / Little Bear. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for. Improve our customers’ listening experience. During holiday, please allow us to response you early next week. Please don’t leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.
FP20000Q 4 Channel Power Amplifier 7000W At 2Ohms Profesional Audio Subwoofer Amps & Line Array For Stage Performance Professional Disco Dj Power Amplifier. Short Circuit Protection 3. Over Heat Protection 4. Input Overload Protection 5. Output Overload Protection 6. Over Voltage Protection 7. Low Voltage Protection 8. Inductor resonance overpressure protection P20000Q Power Amplifier Specification: – 8? Stereo Power (RMS): 2250W X 4 – 4? Stereo Power (RMS): 4000W X 4 – 8? Bridged Power (RMS): 80000W X 2 – 4? Bridged Power (RMS): 90000W X 2 – Frequency Response(+o/-0.3dB, 1W/8?):20 Hz – 34 kHz – THD 20 Hz – 20 kHz for 1 W. 112 dBA – Channel separation (Crosstalk) at 1 kHz :>70 dB – Input Connectors (per channel):3 pin XLR, electronically balanced – Output Connectors (per channel):Binding Posts 2-pole – Class:TD – TourClass Protection:ACL, IGM, AutoRamp, short circuit, DC voltage, turn on/off transient, current inrush, sub/ultrasonic input – Operating voltage, 220 V / 110 V nominal:180-240 V / 90-130 V selectable – Voltage Gain(dB):23, 26, 29, 32, 35, 38, 41, 44 dB selectable – Input impedance:20 kOhm – Level adjustment per ch. :Front panel potentiometer, 31 positions detented from -inf to 0 dB – Gross weight(kg) : 19.5kg. Usually it costs about 30USD-50USD. Thanks for your understanding. If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days.
10,000 Watt Mono-Block Class D Amplifier with Wired Bass Knob. Class D Monoblock Amplifier. Hybrid Aluminum Alloy Heatsink for Optimum Dissipation. 1-ohm Minimum Impedance Class D Monoblock Operation. MOSFET Power Supply w/ Audiophile Grade IRTM Transistors. Military Grade SMT PCB Maintains Dynamic Performance. Direct Short, Thermal, & Overload Circuits Protect Amplifier. 200mV-6V Low Level/RCA Input w/ Bridged Operation Outputs. Barrier Strip Wire Terminals, 4g Power & 8g Speaker Outputs. Variable 12dB High Pass, Low Pass, & Subsonic Crossovers. 12dB Bass Boost Increases Low Octave Harmonics. Dash Mount Gain Control Module Included (monoblocks). Dimensions: 18.25″L x 8.75″W x 2H. Our company has been in the stereo business for over 15 years. We will gladly answer any technical questions you have.
WS-01 220V 500W Passive Subwoofer Power Amplifier Special Hifi Power Amp For Home 5.1/2.1 System. Features: – High-power Hifi subwoofer amplifier with powerful driving force – Suitable for home 5.1 home theater system and 2.1 stereo system as bass compensation, making the bass part of the system more shocking and rich – Professional passive subwoofer amplifier: 300W at 8? ; 500W at 4? – Novel and concise appearance; cost-effective – Adjustable master volume and phase; professional frequency adjustment – Abundant ports, including SW subwoofer input port, left and right stereo output ports and XLR input port, easy matching to personal system – Frequency 20Hz-180KHz, allowing listeners to experience pure sound – Various audio signal input interfaces. Support left and right channel R+L music signal input. Can be connected to CDs, mobile phones, tablet computers, desktop computers and other common audio sources – Subwoofer pure bass signal input connects with pure bass output of home theater AV amplifier or preprocessor. Professional audio XLR port input supports mixer and effector – Constantly optimized classic circuits, quality internal materials and mature manufacturing processes. Circuit board with reasonable internal layout. The whole transformer (5KG) is made of high-temperature resistant and high-strength pure copper enameled wire, which makes the sound more real, natural, smooth and soothing – 6pcs 10000uf (for Rubycon/for Nichicon) electrolytic capacitors used as the main filter capacitors, ensuring stable power supply – 2SC5200x4/2SA1943x4 pair transistors; 6pcs 80V 10000uf filter capacitors – There are a large number of capacitor-resistor networks on the front panel of this unit. The tone part uses CBB capacitors (for Philips) for signal frequency division. All power supply decoupling adopts imported CBB capacitors. They not only carry out important frequency division filtering, but also carry out time phase advance compensation function, so that there is no delay between the bass and the main box. All these make the sound pure and vibrant – High precision resistors with 1% error are used. The German MKP-10, coupled for WIMA, was used in the audio path. The electrolysis is imported high-grade audio electrolytic capacitor (for Nichicon) as the filter and decoupling of the whole machine. Use non-inductive ceramic high-power copper pin resistance output channel to use Specifications: – Brand: ROYANGES – Rated power: 300W (8? 75KHz); 500W (4? 75KHz) – Output impedance: 4-16? – Signal-to-noise ratio:? 90dB (A weight, line input) – Frequency Response: 20Hz-180KHz (+10db, -20db) – Input Impedance: 100K – Output impedance: 4-16? – Input sensitivity:? 500MV – Distortion (THD):? 0.5% – Internal power tubes: 2SC5200x4, 2SA1943x4 – Power supply: 220V±10% 50Hz 330W – Machine size: 250 x 330 x 100mm/9.8 x 13 x 3.9 – Machine weight: 12.2KG/26.9 LB Package Included: – 1 x Amplifier – 1 x Power Cord – 1 x User Manual Attention: – Please adjust the phase and frequency according to the actual passive subwoofer to avoid the resonance frequency point of the passive subwoofer, otherwise there will be various noises, such as the mechanical noise of speaker cone. Usually it cost about 35USD-50USD. Thanks for your understanding. If you receive defective item, please kindly notify us within 14 days.
Dual Core TPA3255 BT5.0 High Power 2.1 Channel Amp Subwoofer Audio Amplifier. TPA3255 is a high performance class D power amplifier chip, which has class D efficiency and can bring true high-end sound quality circuit. The device features advanced integrated feedback design and proprietary high-speed gate driver error correction function (PUREPATH) T. This technology enables the device to maintain ultra-low distortion over the entire audio frequency band while displaying perfect sound quality. The device works in AD mode. When thd is 10%, the device can drive up to two 315w / 4R loads and two 150W (uncut power) / 8R loads, and has a 2 VRMs analog input interface, which supports seamless connection with high-performance DAC (such as TI’s pcm5242). In addition to its excellent audio performance, tpa3255 has the advantages of high power efficiency and ultra-low power level idle loss (less than 2.5W). This can be achieved with an 85mr MOSFET and an optimized gate driver scheme. Compared with the traditional discrete implementation scheme, this scheme can significantly reduce the idle loss. Fulfilled directly from the factory. The machine is developed and manufactured according to the standard products. All parts are original genuine products. Aluminum case is made of fine workmanship and ensures good heat dissipation. Original dual TPA3255 chip. Built in high-power hifi high-efficiency switching power supply, directly inserted 100-240V. High precision chip resistor is selected to ensure good signal-to-noise ratio of the whole machine. The special inductor is used to ensure the sound is clear and strong. CNC precision all aluminum case. Working mode: Class D. Working voltage: AC100-240V (to DC 36V 10A). Bluetooth chip: QCC3043 (BT5.0). Net weight: 1.45kg (2kg with package). In the box: 1x. (NOT included AC power cord).
Transfer 2.0 channel input to 5.1 channel output: with built-in multi-channel signal process chip and circuit, which applies professional algorithms and dynamic separation techniques. Even when input 2.0 channel audio signal, it can also auto allocate and simulate to 5.1 channel and provide excellent smart noise reduction, precise sound positioning and stereo surround sense. Multiple audio inputs to work with more devices: with Bluetooth 5.0 / coaxial / optical / U-disk four digital inputs and 2.0CH / 5.1CH RCA inputs, strong compatibility and works perfectly with most home audio devices. U-disk input supports lossless formats such as WAV, APE, FLAC besides MP3, high-quality music can be reproduced and enjoyed. Nobsound & Douk Audio. Preamp & Phono Stage. DAC & Audio Adapter. Music Spectrum & Clock. Record Player & Turntable Part. Audio Board & DIY Kit. Bluetooth & XLR & MIC. Tube Sound Level Meter. LED Sound Level Meter. Board & DIY Kit. Record Weight & Clamp. 1/8 & 1/4 Stereo Jack Cable. HiFi 5.1 Channel Amplifier w/Bluetooth COAX/OPT/USB Home Subwoofer Power Amp. Long press play/pause button can switch between 2.1 and 5.1 channel output mode. When switching to 5.1 channel output mode, any input modes can achieve 5. If you want real 5.1 channel output, please use 5.1 channel RCA input. If input 2.0 channel but output 5.1 channel, the stereo signal is processed and simulated to 5.1 channel. Strong power output and multi-channel system building: adopting 3PCS classic TPA3116 chip, responsible for front (50W2)/ surrounded (50W2) / center(50W) / subwoofer(50W) outputs; specially add a low frequency output to connect another active subwoofer to easily build 2.0/2.1/2.2/5.1/5.2 channel system and enjoy shocking auditory effects as if you are in a movie theater. Independent control knobs and dual power inputs: besides main volume control and treble & bass knobs, also with separate front/ surround/ center/ bass volume control; and specially design two power supply inputs (main/vice) to provide stronger power input to easily drive most home speakers and subwoofers with high power. User-friendly design and advanced functions: with detailed function buttons and separate indicators, convenient to use and see the working status in real time; one button to switch 2.1 and 5.1 channel outputs, no need to plug in and out speaker cables repeatedly. Made of aluminium alloy and in compact size, very suitable for those who want to build a mini HIFI 5.1 channel system. Audio input: Bluetooth 5.0 / Coaxial / Optical / U-disk / 2.0 Channel. RCA/ 5.1 Channel RCA. Audio output: banana speaker jacks / low frequency out (connect to active subwoofer). Supported formats of U-disk: MP3/WAV/APE/FLAC. U-disk: 16Bit / 44.1-48KHz. Bluetooth: 16Bit 1 44.1-48KHz. Coaxial: 16-24Bit / 44.1- 192KHz. Optical: 16-24Bit / 44. Frequency response: 20Hz-20KHz +1. Bass frequency response: 40Hz-160Hz. Input sensitivity: 0.775V. Working voltage: DC 15-24V. Dimensions(WDH): 23013049mm / 9.065.121.93in. Package dimensions(WDH): 41020583mm / 16.148.073.27in. Net weight: 1.19kg / 2.62lb. Package weight: 1.8kg/ 3.971b. Please leave VALID TELEPHONE NUMBER which is necessary and very important. For package less than 2KG, we use. (10-25 days to most countries). And for package over than 2KG we use. (5-8 days to most countries). Free Return Within 30 Days. We provide return within 30 days. Is provided for all items. Man-made damage or misuse. Audio accessories and consumables such as vacuum tubes. If you are satisfied with our products and service please leave a 5-star. Feedback, we will provide better solutions until you are satisfied. Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including. Douk Audio / Nobsound / Little Bear. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for. Improve our customers’ listening experience. During holiday, please allow us to response you early next week. Please don’t leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.
Multiple inputs for different purposes: with Bluetooth 5.0 / coaxial / optical / U-disk four digital inputs and 2.0CH / 5.1CH RCA inputs, strong compatibility and works perfectly with most home audio devices. U-disk input supports lossless format such as WMA, WAV, APE, FLAC etc. Besides MP3, high-quality music can be enjoyed easily. Dual power inputs and strong ouput: adopting 3PCS classic TPA3116 chip, responsible for front (50W+50W)/ surronded (50W+50W) / center(50W) / subwoofer(50W) outputs, and speically design two power supply inputs (main/vice) to provide double power, easily to drive 3-8″ speakers and 5-10″ subwoofers. Independent control and subwoofer output: besides main volume control and treble & bass knobs, also with separate front/ surrounded/ center/ bass volume control; A low frequency output is added to connect an active subwoofer, build 2.1 / 5.1 channel system for those who don’t have passive subwoofer. Advanced functions and considerate design: with detailed funtion buttons andseparate indicators, convenient to use and see the working status in real time; switchable 2.0(2.1)/5.1 channel outputs, M5.1 can be used in different scenarios with one selection button, no need to plug in and out cables repeatedly. Attractive looking and high power adapter: compact size, adopting pure aluminium alloy case and solid volume knobs processed by fine and advanced technique, practical and beautiful. Default comes with DC 24V/6A high-quality power adapter, provide sufficient power to drive most home speakers.
90 V-264 V+10, 50/60 Hz. Cos(?)>0.950>500W. K2 2Channel Power Amplifier 2000W2 1U Amps Max Professional Power Amp For Line array / DJ Subwoofer Amplifier. Professional two-channel high-power digital power amplifier The latest generation of ultra-low loss UPDM (Unipolar Pulse Density Modulation) audio power Rated power (RMS): 8 ohms: 1000wx2 4 ohms: 2000wx2 High stability, pre-heat and soft protection, standard 1U structure Each channel can drive a dual 15 or smaller speaker Output interface NL4FC, signal input and output interface XL AC100220V power supply, 90-270V power supply fluctuation purification, pure copper transformer.