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.
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 Bluetooth 5.0 Tube Power Amplifier USB/OPT/COAX Home Stereo Subwoofer Amp. Low-requency signal output is speciallyed designed to connect active subwoofer, strengthen bass sound effects to bring more shocking experience just like in the cinema. With treble and bass control to bring more delicate sound according to your own listening style. Using 6P1 and 6N1 vacuum tubes, the sound is clear, warm, smooth and delicate, U-disk supporting lossless music formats such as WMA/WNV/MP3/FLAC to provide HiFi enjoyment. Unique design and attractive appearance, exquisite black lacquered panel and retro vacuum tube are combined to create a luxurious and elegant artistic atmosphere, very suitable for home and desktop audio system use. Audio input: Bluetooth, USB/U-disk, Coaxial, Optical, RCA. Audio output: speaker jack, 3.5mm headphone jack, subwoofer. U-disk supporting formats: WMA/WNV/MP3/FLAC. Bluetooth version: 5.0. Signal to noise ratio: 80DB. Working voltage: 100-120V / 220-240V 50-60Hz. Net weight: 4.0KG. Package weight: 5.0KG. 1Tube Amplifier with Power Cord. 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.
Enhance your home audio experience with the Definitive Technology SUB AMP 600 in wall subwoofer amplifier. This power amplifier is perfect for music enthusiasts who seek high-quality audio output. The amplifier has 1 channel and is designed to work with Definitive Technology brand in wall subwoofers. The black color of the amplifier complements any home decor, making it a perfect fit for your entertainment system. The model of this power amplifier is Definitive Technology SUB AMP 600, which is made for those who are passionate about sound quality. This amplifier brings out the best in your music, providing an immersive and engaging listening experience. Whether you are watching a movie or listening to your favorite tunes, the Definitive Technology SUB AMP 600 is the perfect addition to your home audio system.