Feature:  Size: 50*35*25mm.  Net weight: 30g.  Radiator: Determined according to the power supply voltage, the high power supply generates a large amount of heat and the output power is also large.  Midpoint voltage: less than 1mV.     Package includes:  1 x Power Amplifier Board

Main performance description:  4-channel high-quality Class D power amplifier board based on TPA3251, with customized design, more suitable for high-demand HiFi applications.  After multiple improvements to the design to obtain the highest performance and the lowest noise and distortion.  111dBA dynamic range.  The additionally...

Feature:  Product size: length 74mm width 61mm height 27mm.  Weight: 148g.  Support voltage DC: + 15V to + 45V.  AC dual 12V- can be obtained after dual 32V rectification.  Power 15-100W, 8 ohms.     Package includes:  2 x Amplifier Board

Feature:  Support voltage DC: +-15V to +-45V.  AC dual 12V- can be obtained after dual 32V rectification.  Power: 15-100W, 8 ohms.  PCB area 76*73 mm Version number V7 (MX50SE).  Frequency response = 20HZ-25K HZ -0.2DB.  (Test equipment: Audio Precision 2) Installation note: 649 669...

Description:  All parts and components of this product are original products, unpretentious and pure in quality; using high-quality original parts not only guarantees safety and quality, but also has a long service life, and more importantly, it is a strong guarantee that the actual...

Specification:  This is an assembleable medium power 5.1 power amplifier, suitable for home audio-visual environment, car speaker modification, high power, less heat, good sound quality, small size, high efficiency and power saving.  Net weight: 150g.  Size: 100*84*20MM.  Input signal:  Sensitivity 1.4V, suitable for computer...

Description: Power supply: DC5-24V/10A or above Bluetooth version 5.0. Audio input: Bluetooth+AUX+U disk+USB sound card. Audio output: passive speaker + 3.5mm interface stereo output. Volume adjustment: high-end encoder knob adjustment, smooth hand feel. Frequency range: 20Hz-30KHz. SNR: 92dB. Adapter speaker: 20W-200W/492-89. Output power: 100W...

Specification: Output power: 150W + 150W. Impedance: input 50K output: 4-8ohm. SNR: 110dB. distortion: 00.001%. Frequency response: 10hz-30khz. Input voltage: AC 30v-0-30v, three wire transformer, power above 100W. Size: 160 x 77mm. Package included: 1 x Amplifier Board

Feature: Working voltage: dual AC26-28V. Channel type: 2.0 channel. Output power: 150W+150W. Chip type: 1494/3858, 1943/5200. AC output impedance: 4-8 ohms. Distortion: less than 0.03%. Signal to noise ratio: greater than 98db. Frequency response: 10HZ-50KHZ. Dimensions: 25cm* 16.5cm*6.2cm. Package includes: 1 x Power Amplifier Board

Introduction:  This product adopts the original imported TPA3116D2 power amplifier chip; the main volume adjustment, using the knob encoder used in high-end audio for 360-degree stepless tuning; low-noise pre-op amplifier, high power supply rejection ratio, high AM rejection, high power conversion efficiency, high circuit...

Feature:  Name: 2.0 channel 50Wx2 stereo BT audio power amplifier.  Audio input: AUX + BT + USB drive + USB sound card.  BT version: 5.1.  Audio output: Left channel 50W + right channel 50W.  Adaptive power supply: DC 9~24V/3A (Do not connect to AC). ...

Feature:  Working voltage: double AC15-18V.  Output power: 50W + 50W.  Op Amp Type: 4558.  Frequency response: 10HZ-20KHZ.  Weight: 194g.  Size: 13 x 10 x 6cm.     Package includes:  1 x Amplifier board

Specification: product name: 2.1 channel Bluetooth audio power amplifier board module. Number of channels: 2.1 channels (left channel + right channel + subwoofer). Input method: AUX+Bluetooth+U disk+USB sound card. Bluetooth version: 5.1. Switch mode: Mechanical switch (no need to wait for a long press)....

Description:  - High-power stereo Bluetooth audio module.  - 2.1 channels audio signal output for good sound quality.  - Built-in amplifier module therefore it can connect to loudspeaker directly.  - Ideal for DIY wireless Bluetooth speakers and transponders.  - It can work with APP which...

Features:  Power supply: DC 10~25V, 2.1 interface with anti-reverse  protection.  Audio input:  1. various versions Bluetooth connection stereo input, using CSR64215 Bluetooth chip, Bluetooth V4.2, support low delay, high software compatibility.  2. AUX input.  Output impedance: 8ohms recommended (can drive 4, 6, 8ohm impedance speakers). ...

Desription:  TDA7850 is a high-quality Hi-Fi car audio amplifier IC, using a single power supply 12V - 14.4V supply, MOSFET amplifier output, 4 x 50W HiFi amplifier, low distortion, low noise, anti-interference ability, with output short circuit and temperature protection in particular aspects of...

Features:  1. Plays TF card, U disk, MP3 format music, external audio source.  2. With remote control.  3. Large-capacity capacitor filter, the voltage is more stable to enhance anti-jamming capability.  4. Built-in short circuit protection design, better stability and compatibility.  5. High-quality power, speaker...

Description:  This circuit is a 47-amp single-supply op amp amplifier circuit, and the power supply is AC 6V to 18V or DC 9V to 24V.  With dual-channel design, its op amp is compatible with multiple specifications of dual op amps. There is an op...

Specification:  Output power: 30W/8ohm.  Class A power: 28V30W.  Harmonic distortion: <0.01% 10W/8 ohm.  Frequency response: 0Hz-100 KHZ.  Damping coefficient: >100.  Signal to noise ratio: >96dB.  Conversion rate: >30V/uS.  Input sensitivity: 05V (effective value).  Input impedance: 10K.  Gain: 31dB.  Power supply voltage: recommended ??24V (maximum...

7 switch adjustable frequency points:  a, one switch for bass: can switch the low audio capacitor to ground 9.4+9.4uF.  b. Three switches for midrange: theoretically the capacitance of midrange can be adjusted from 6.8uF to 20uF.  c. Three switches for the treble: theoretically the...