Tone Board / Preamplifier Board

82 products

Audio Signal Switching Board 4-Channel Dual-Channel Rotary Switch Source Selection RCA Jack Signal Input

$3.86

HiFi grade dual op-amp 10x preamp + dual op-amp tone board

$14.43

[LINN Majik Amplifier] Core Preamp Circuit

$13.86

NJM2150 Tone Board Preamp Signal BBE Sound Exciter Improves Treble and Bass Clarity JRC2150

$2.27

Gold-A050 MP3 5.0 Bluetooth Audio Board Supports Bluetooth 5.0/4.2/4.1/4.0

$0.86

XH-M802 Passive Tone Control Preamp Board with High/Low Adjustment, High-Fidelity Finished Product

$1.27

High, mid, and low frequency volume control module AC15V dual NE5532 op-amp tone board power amplifier preamp board front panel board

$3.30

DC12-35V Single Power Supply with Cables NE5532 Preamp Amplifier Board Module Pre-stage Board Replaceable Operational Amplifier

$2.02

Gold-A044 NE5532 Op-amp Tone Board, Power Amplifier Preamp Board, Preamplifier, High, Mid, and Low Volume Adjustment Module

$2.86

XH-M164 Tuning Board Tone Board Preamp Board NE5532 Pre-stage Board Treble and Bass Volume Adjustment Finished Product with Knob

$2.95

Gold-A031 OK339 PT2399 Reverb Preamp Tone Board Amplifier Preamplifier Board

$6.70

AD828 Audio Amplification Module Operational Amplifier Preamp Board Single Power Supply DC5-15V YJMW

$1.82

XH-M164 Amplifier Tuning Board, Preamp Board, NE5532 Amplification and Enhancement Adjustment, High and Low Frequency Adjustment Board, Tone Board

$2.50

NE5532 Preamplifier Board Tone Board Low Pass Filter Board 2.1 Channel Super Bass Single Power Supply DC10-24V

$5.64

Bluetooth Audio Amplifier Board Bootstrap Boost TF Card Mono 4Ω 5/6/8W FM Radio AUX Input Charging

$2.50

2*30W Bluetooth Decoder Stereo Amplifier Board Color Screen with Recording Call DIY Lossless Audio Speaker

$4.32

XR1075CP Preamplifier Tone Board, BBE Digital Tone Board, Audio Processor, Preamplifier Board, Preamplifier

$9.55

Color Screen 12V Bluetooth Call MP3 Decoder Board Lossless APE Module Color Display MP3 Bluetooth Decoder

$6.06

Amplifier Speaker Protection Board Delay 2.1 Three-Channel 600W Speaker Protector AC 12-18V

$4.32

5.1 Bluetooth MP3/APE Lossless Decoder Board 2*30W Amplifier Stereo Color Screen Car USB Drive Radio

$6.11

AD828 Op-Amp Preamp Amplifier Board Single Power Supply with Potentiometer

$2.27

XH-A902 Op-amp Module Power Amplifier Preamp Board NE5532 Tone Board Preamplifier 5x Wide Voltage

$0.84

UPC1892CT Tone Board Preamp Board NEC1892CT Single Power Supply AC/DC Dual Use with Audio Cable Included

$6.70

LM4610 tone board, AD828 preamplifier module, professional power amplifier preamplifier tone board, karaoke preamplifier board

$14.77