Hi-Fi systems

TDA7492P 50W2 Dual Channel Wireless Bluetooth Audio Receiver Amplifier Board Module J3J7

Mini Stereo Audio Preamplifier Headphone Amplifier Volume Controller with RCA Jack 3.5mm Output

TDA7492 50W+50W Audio Receiver Digital Integrated Power Amplifier Board CSR8635 Bluetooth V4.0

ZK 502C HIFI Power Amplifier Board 50W Convenient DIY Clear Sound Filter Inductance TPA3116 Audio Power Amplifier

TDA7492P Wireless Bluetooth 4.0 Audio Receiver Power Amplifier Board Module

500M 45DB Variable Gain High Linearity Low Distortion VGa AGC AD8367 Module

TDA7498 Digital Stereo Power Amplifier Board 2x100W Dual Channel 8‑32VDC HF20

TPA3116D2 120W+120W Dual Channel Bluetooth Digital Audio Power Amplifier Board

RF Amplifier Module Broadband Board Constant High Gain Low Noise 20‑1500MHz Accessory

5-3500MHz Broadband RF Amplifier 20dB High Gain Low Noise LNA Module

Stereo Bluetooth Power Amplifier Board High Power Digital Amplifier Module XY P15W(without Shell )

1PC 4.0W 30dB 915MHz RF Power Amplifier SMA Female Connector

TDA7492P 2x25W Bluetooth V2.1 Audio Power Amplifier Board with AUX Interface HW-893

1pc Low Noise Amplifier LNA 50M-4GHz NF=0.6dB RF FM HF VHF / UHF Ham Radio -110dBm

Small Stereo Audio Preamplifier 3 Output Ports Aluminum ABS Headphone Amplifier for Loudspeaker

Audio Preamplifier Stereo Preamp 20dB Gain Dual Op Amp NE5532 for Speaker Headphone

5M-5GHz Wideband RF Signal Amplifier Gain 19dB@2G Broadband Amplification

1pc Wideband 0.01-4GHZ 21DB LNA Low Noise Amplifier Module Board

Mini Stereo Audio Preamplifier Small Headphone Amplifier NE5532 with RCA 3.5mm Input Output

TPA3116D2 Bluetooth 4.0 Dual Channel 120W+120W Digital Audio Amplifier Board with Acrylic Case

NE5532 Dual HiFi Preamplifier Board, Single Power Supply (AC/DC 12V), DIY Audio Preamplifier Module.

NE5532 Dual HiFi Preamplifier Board, Single Power Supply (AC/DC 12V), DIY Audio Preamplifier Module.

Passive tuning board, high and low frequency adjustment potentiometer, crossover board, DIY audio speaker accessories, amplifier, preamp module

NE5532 dual power amplifier preamplifier board with front panel speaker, potentiometer volume control and shielded cable included.

NE5532 dual power amplifier preamplifier board with front panel speaker, potentiometer volume control and shielded cable included.

High-fidelity audiophile headphone amplifier board, audio power amplifier, headphone amplifier, decoding module, power amplifier, preamplifier, preamplifier board

High-fidelity audiophile headphone amplifier board, audio power amplifier, headphone amplifier, decoding module, power amplifier, preamplifier, preamplifier board

Bluetooth Amplifier Board Module ZK-502L 5.0 Bluetooth 2 50W Digital Amplifier Board (DC15-36V)--DTEKGAZ

Preamplifier board for cassette recorder head (self-assembly), 12V AC/DC power supply, cassette deck, preamplifier module for desktop mechanism

TDA2050 Audiophile HiFi Digital Amplifier Board, 30W Mono Audio Power Amplifier Module, 12-24V DC Power Supply

TDA2050 Audiophile HiFi Digital Amplifier Board, 30W Mono Audio Power Amplifier Module, 12-24V DC Power Supply

High-fidelity, high-power, audiophile-grade DC3-12V headphone amplifier board, mini two-channel power preamplifier board

Speaker protection board 2.0, dual-channel amplifier, speaker enclosure, power-on delay, 15A shock-resistant protection module

Speaker protection board 2.0, dual-channel amplifier, speaker enclosure, power-on delay, 15A shock-resistant protection module

High-end DC12V1969 Class A amplifier board for 20W mono amplifiers, DIY kit.

High-end DC12V1969 Class A amplifier board for 20W mono amplifiers, DIY kit.

Class D 5W power amplifier, MP3 playback module, one-to-one I/O triggering, serial port control, USB download, flash, built-in.

Class D 5W power amplifier, MP3 playback module, one-to-one I/O triggering, serial port control, USB download, flash, built-in.

ZK-502MT Bluetooth HiFi Stereo Amplifier, 50W+50W 2.0 Audio Channels with BT and AUX, DC 9-24V, Treble and Bass Adjustment, Bluetooth Amplifier for DIY Speakers and Home Speakers

NE5532 HIFI Stereo Preamplifier Tone Board Treble Mediant Bass Volume Control Dual AC 12V-18V

Amplifier Module RF Broadband Low Noise 50-4000MHz DC5V 21.8dB Gain

Mini HiFi Audio Power Amplifier 12V DC - Dual Channel Portable Stereo Audio Receiver - Black

TPA3118 PBTL 60W DC 8-24V Mono Digital Audio Amplifier Board AMP Module Chip 1X60W 4-8 Ohms Replace TPA3110 for Arduino

Dual-channel electret headphone audio amplifier board, high-fidelity preamplifier module 2 x 80 mW DC 3V-12V

Dual-channel electret headphone audio amplifier board, high-fidelity preamplifier module 2 x 80 mW DC 3V-12V

CTMW Phono Turntable Preamplifier – Mini Electronic Stereo Audio Preamplifier with RCA Input, RCA Output and Low Noise Operation, 12 Volt Power Supply

RF Amplifier Module 30‑4000MHz 40dB Aluminum Alloy RF Low Noise Amplifier for Remote Control Receiver DC 5V

Amplifier Module RF Broadband Low Noise DC12V 0.01-2000MHz 32dB Gain

TPA3118 PBTL 60W DC 8-24V Mono Digital Audio Amplifier Board AMP Module Chip 1X60W 4-8 Ohms Replace TPA3110 for Arduino

5PCS LM386 Audio Amplifier Module, 512V, 200 Gain, LM386 Audio Amplifier, Stereo Audio Power Amplifier Module for Arduino LM386, L1P8

Amplifier board with Bluetooth module, 2x3W wireless Bluetooth, 3.7V battery input.

Amplifier board with Bluetooth module, 2x3W wireless Bluetooth, 3.7V battery input.

HiFi frequency filter for 300W bookshelf speakers, professional frequency filter for coaxial speakers, two-way filter with high and low frequencies.

Bluetooth Amplifier Board Module ZK-502L 5.0 Bluetooth 2 50W Digital Amplifier Board (DC15-36V)--BIEMMEDUE

137M‑4.4GHz RF Signal Source Phase Locking Loop Frequency Synthesizer ADF4350 Development Board

VHM-313 TPA3110 2x15W Dual Channel Digital Stereo Bluetooth Audio Amplifier Power Amp Board