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B00NKWV0IQ Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 3.8 Votes: 8 Find similar products SMAKN LM386 Audio Amplifier Module 200 Times 5-12V 10K Adjustable Resistance. Product Name : Audio Amplifier Module; Chip : LM386 Magnification Times : 200; Power Supply : 5-12V PCB Board Size : 41 x 13mm/1.6 x 0.5 (L*W); Material : Electric Part Net Weight : 5g 1. Onboard LM386 Chip.With 200 multiplier benefits circuit design 2. On-board speaker wire holder 3. On-board 10K variable resistor, you can adjust the Amplification volume. 4. Onboard power indicator, the main feet of the chip has been leaded, can input audio signal directly . 5. Operating voltage: 5 ~ 12V Package Content : 1 x LM386 Audio Amplifier Module.	B00HZY3GQO Availability: Currently unavailable Score: 10.638 Category: Electronics Rating: 3.3 Votes: 3 Find similar products SODIAL LM386 Audio Amplifier Module 200 Times 5-12V 10K Adjustable Resistance. .
B08T5NVWVF Price: $7.84 Score: 8.547 Category: Electronics Rating: 2.9 Votes: 7 Find similar products 60W DC10-24V TPA3118 Subwoofer Amplifier Board, Mini Digital Audio Power Amplifier Module, Mono Channel Stereo Audio Amplifier Board. Specification: Model: XR-M311 Amplification type: Class D Work efficiency: 93% Chip Type: TPA3118 Supply voltage: DC10-24V Input current: 3A recommended Output power: 60W1 Frequency response range: 35Hz-88kHz Number of channels: Mono Impedance matching: 2-6 ohm Size: 554015mm / 2.161.570.59in Weight: Approx. 30g/1.06oz Package List: 1 Digital Amplifier Board Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.	B07WWLM758 Price: $18.19 Score: 7.874 Category: Electronics Rating: 2.6 Votes: 6 Find similar products Wendry Amplifier Board Module,IRS2092S 500W Mono Channel Digital Amplifier Board Class D HiFi Power Amplifier Board Speaker Protection. Features: 1.Output short circuit protection. 2.Output DC bias protection speaker protection. 3.Over temperature protection: the output will turned off when the temperature of the heat sink FET is higher than 100 °C. 4.This is a pure power amplifier board, whose sensitivity of the input signal of 1.5V rms, if your input signal voltage can't reach this value, recommend add preamp. 5.Mono channel,for 2.0 channel need bid two. Specifications: Power supply: dual DC power supply ± 58-± 70V The rated output power: 500W (± 65V power supply, 4 ohm load, distortion 10%) Efficiency:> = 90% Voltage Magnification: 36 times Input sensitivity 1.5V (RMS) Output short circuit protection: Yes That output DC bias protection speaker protection: Yes Over-temperature protection: Yes, radiator FET temperature higher than 100 ° C, turn off the output! Use precautions: 1. Rated supply voltage is ±65V, ±58---±70V range, do not over 70V! positive and negative do not pick wrong 2. Recommended power supply ±65V 3. Recommended 4-8Ω / 10-18inch speaker 4. Carefully check before electricity, ensure the wiring is correct. Package list: 1 x Digital Amplifier.
B07GLZZS3G Price: $15.88 Score: 7.576 Category: Electronics Rating: 4.8 Votes: 15 Find similar products LM4562NA/NOPB LM4562NA LM4562 Dual High-Performance Audio Operational Amplifier with Ultra Low Distortion IC (Pack of 2). The LM4562 is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series optimized and fully specified for high-performance, high-fidelity applications. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LM4562 combines extremely low voltage noise density (2.7nV/√Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LM4562 has a high slew rate of ±20V/µs and an output current capability of ±26mA. Further, dynamic range is maximized by an output stage that drives 2kΩ loads to within 1V of either power supply voltage and to within 1.4V when driving 600Ω loads. The LM4562's outstanding CMRR (120dB), PSRR (120dB), and VOS (0.1mV) give the amplifier excellent operational amplifier DC performance. The LM4562 has a wide supply range of ±2.5V to ±17V. Over this supply range the LM4562’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LM4562 is unity gain stable. This Audio Operational Amplifier achieves outstanding AC performance while driving complex loads with values as high as 100pF.	B09PD9TQ56 Availability: Currently unavailable Score: 7.353 Category: Electronics Rating: 2.7 Votes: 4 Find similar products Coliao 6pcs MAX4466 Electret Microphone Amplifier Module GY-MAX4466 Microphone Amplifier with Adjustable Gain Blue Breakout Board. The MAX4466 is a micropower operational amplifier optimized for use as a microphone preamplifier. It is a nice combination of optimized gain bandwidth products and supply current, as well as low voltage operation in an ultra-small package. The MAX4466 has gain stability, requiring only 24μA of supply current to provide a 200kHz gain bandwidth. After decompression, a minimum stable gain of +5V/V can be achieved, and a 600kHz gain bandwidth product is provided. These amplifiers also have rail-to-rail output, high AVOL, and good power supply rejection and common-mode rejection ratio, suitable for working in noisy situations. Widely applied in cellular phones, digital repeaters, earphones, hearing aids, microphone preamplifiers, portable computers, and voice recognition systems. Using Introduction: Connect GND to ground, VCC to 2.4-5VDC. The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC/2 so when its perfectly quiet, the voltage will be a steady VCC/2 volts (it is DC coupled). If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device. If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required. The output pin is not designed to drive speakers or anything but the smallest in-ear headphones- you'll need an audio amplifier (such as 3.7W stereo amp) If you want to connect the amp directly to speakers. If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin. For audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies. Package Included: 6* MAX4466 Electret Microphone Amplifier Module.
B07L5CRQ7T Price: $649.76 Score: 7.042 Category: Electronics Rating: 4 Votes: 18 Find similar products Reisong - BOYUURANGE A20 Hi-Fi Intergrated Amplifier KT88 Tube Single-end Class A 4ND VU Meter. You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specifications: Output Power: 8W * 2 (Ultra-linear connection) Frequency response: 20Hz-35KHz Output Impedance: 4,8Ω Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (three sets of input signal) Voltage amplification: Dawn 6J8PJ × 2. Power output tube: KT88 × 2. Rectifier tube: 5Z3PA-T × 1 Dimensions (W×D×H): 366×300 (including knob) × 185mm SNR: 89dB Weight: about 16.5 kg (114 power transformers, export version) Gross weight: 18kg Power Supply Voltage: AC 110V-120V/50Hz-60Hz(For United States） Features: With power tube current monitoring circuit, tube replacement upgrade ease. Medical grade 5Z3PA-T rectification. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000 Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design，not easy deformed. Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of ALPS potentiometer. Chassis: mirror stainless steel chassis.	B08NFCCGC2 Price: $16.59 Score: 7.042 Category: Electronics Rating: 4.3 Votes: 33 Find similar products 2pcs TPA3116D2 Class D Stereo DC 5V—24V 2x50W High Power, Digital Audio Amplifier, Subwoofer Power Amplifier Board, Suitable for Home Audio、car Speakers, DIY. Instructions: 1. Power supply voltage: DC4.5V-26V (24V is recommended) 2. Connect the power supply (positive pole to VCC, negative pole to GND). 3. Audio input, 3.5 mm audio port input, or right channel to IN-R, left channel to IN-L, and ground wire to GND. 4. Output R+R- and L+L- correspond to the speaker. Product Features: Power supply voltage: DC4.5V-26V (24V is recommended) Dual channel: 2*50W Magnification: Class D Noise ratio: 102dB Switching frequency: 1.2MHz Stereo: Yes, dual channel Input reverse connection protection: Yes Overvoltage/low pressure protection: Yes Appearance size: 78×51.5×22.5mm (3.07×2.03×0.89inch) Applies to: Store drainage, home theater, bookshelf audio, car speakers, DIY audio, etc. Package contains: 2 pcs TPA3116D2 Class D audio power amplifier.
B074XNDT35 Price: $8.99 Score: 6.993 Category: Electronics Rating: 3.1 Votes: 23 Find similar products KNACRO DC 10V-24V Low-Pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board. Power supply voltage: DC12V-24V DC single power supply. Frequency range: 22Hz-300Hz. Audio input: mono or two-channel. Audio output: monaural. PCB Size: 78x32mm, thickness: 1.6mm. PCB Materials: FR-4 ultra-hard glass plate. Finished plate net weight: 30g. Plate mounting holes center to center spacing: 70x24mm, hole diameter: 3.2mm. Potentiometer shaft center to center spacing: 32.5mm. Special reminder: This board is a board bass preamp, directly connected to the speaker will not say anything, must be connected to the subsequent stage amplifier board made of pure active subwoofer to speak, pure stage power amplifier board selected according to individual needs of the degree of shock, The greater the power of pure power amp bass more shocking. The so-called low-pass filter plate is to filter the human voice more than treble part, retain the low frequency part is amplified to improve the bass reproduction efforts will not hear the human voice and high-frequency sound when playing the instrument. The buyer must understand this knowledge, in order to avoid the only, do not know how to use. Most of the market before the subwoofer preamp board are basically dual power, the majority of DIY enthusiasts, is not very convenient to use, after all, a single power supply is relatively easy to find, the premise of guaranteeing effective, we have introduced a single-supply subwoofer home board, you can share a stage with the power amplifier boards, DIY is very convenient. Package included: 1 x Low-pass Filter NE5532 (with 2 rotary potentiometer cap).	B09JVV8N83 Availability: Currently unavailable Score: 6.993 Category: Electronics Rating: 4 Votes: 1 Find similar products LeTkingok Mini Vacuum Tube Amplifier- HiFi Desktop Power Amp Valve Amplifier 3W2 (Black). LeTkingok Mini Vacuum Tube Amplifier-- HiFi Desktop Power Amp Valve Amplifier 3W2 (Black) Parameter: Voltage amplification tube: 26J1 Power amplification tube: 26P1 Output power: 3W+3W(4/8 ohms) Frequency response: 30-40KHZ (-1dB) Input sensitivity: 500MV Signal signal to noise ratio is -80dB/3W Residual noise <1mVac Input AC voltage: 100-250VAC Power consumption: 36W Input impedance: 10K ohms Output impedance: 8/4 ohms (Japan's Z11-EI48 24 output transformer) Size: 124 mm (width) x 132 mm (D) x 166 mm Package size: 186 mm (width) x 186 mm (D) x 155 mm Weight: up to 1.7kg Package weight: up to 2.0kg Input: RCA jack Output: banana socket AC: Standard IEC socket, fuse protection (2A fuse) Package Including: 1 x Amplifier 2 x 6J1 Tubes 2 x 6P1 Tubes Note: Do not include Power Cord and other Line ,you should Prepare yourself.