Amplifier Manuals & User Guides

YJCO D323A Digital Power Amplifier User Manual

August 12, 2026

YJCO D323A Digital Power Amplifier Overview The D323A is a compact amplifier with an integrated aluminum-alloy casing heat-sink design that helps deliver stable operation. It uses a TPA3223 amplifier chip and features a high-capacity Nikon main filter capacitor to support…

Brand: YJCO

ALSOZONE PAM156 Audio Power Amplifier User Manual

August 12, 2026

ALSOZONE PAM156 Audio Power Amplifier Overview The ALSOZONE PAMX is a configurable multi-channel HiFi power amplifier platform offering PBTL output stages, fault protection, trigger/auto power control, and selectable single-ended or balanced inputs. It is designed for true audiophile sound quality…

Brand: ALSOZONE

FLYINSKY EL34-B Tube Amplifier Instruction Manual

August 11, 2026

FLYINSKY EL34-B Tube Amplifier Overview The Tube Amplifier (Model EL34-B) is a product intended for use according to the instructions in this manual. It includes compliance markings and requires careful adherence to safety guidance to help ensure safe operation. Specifications…

Brand: FLYINSKY

MYPIN HA0290-300 Hifi Headphone Amplifier Instruction Manual

August 10, 2026

MYPIN HA0290-300 Hifi Headphone Amplifie Feature This HiFi Headphone Amplifier supports impedance 16-150 Ω, Delicate, Compact and Portable, Which Make it Convenient to Carry, Can Output Remarkable Sound without Distortion. 3.5mm AUX Input and Output High Quality Audio, Suitable for…

Brand: MYPIN

XinYi Sini Audio XY-T6001P TWS Bluetooth audio power amplifier User Guide

August 9, 2026

XinYi Sini Audio XY-T6001P TWS Bluetooth audio power amplifier Quick Setup / Use Provide a DC power supply within the stated range: 19–51V (rated 10A). Connect your audio source using one of the supported inputs: BT, AUX, or USB. For…

Brand: XINYI Sini Audio

yanmai K3 Wireless Lavalier Voice Amplifier User Manual

August 8, 2026

yanmai K3 Wireless Lavalier Voice Amplifier Overview This wireless lavalier voice amplifier system includes a receiver and transmitter for voice amplification mode, with an alternate Bluetooth mode for audio playback. It provides indicators for connection, charging status, and power levels.…

Brand: YANMAI

Douk Audio TPA3255 Digital Amplifier User Manual

August 6, 2026

Douk Audio TPA3255 Digital Amplifier OVERVIEW HiFi Class D Amplifier 300W x 2 Stereo Power | TPA3255 Chip Adjustable High-Pass Filter 30Hz-200Hz I Optimize Mid-Hjgh Frequencies Customizable Sound No need to remove screws I Plug-and-Play Op-Amp Rolling Sleek Glass Panel…

Brand: Douk Audio 

FiiO KA17 High End Dongle Amplifier Instruction Manual

August 6, 2026

FiiO KA17 High End Dongle Amplifier Product Overview FiiO KA17 is a portable audio player. This manual section covers basic safety notes and common setup and playback steps, including charging, file loading (e.g., Mirabox/WMA/WAV/FLAC), navigation, wired audio output, and after-use…

Brand: Fiio

VOX amPlug 3 Headphone Amplifier Owner’s Manual

August 4, 2026

VOX amPlug 3 Headphone Amplifier Thank you for purchasing the VOX amPlug 3 Headphone Guitar/Bass Guitar Amplifier. To help you get the most out of your purchase, please read this manual carefully. About the VOX amPlug 3 The amPlug 3…

Brand: VOX

BTZGNDMIO XY-AS21HPA 2.1 Channel Audio Amplifier Instruction Manual

August 4, 2026

BTZGNDMIO XY-AS21HPA 2.1 Channel Audio Amplifier Features Adopting TPA3255 chip, audio power core, high efficiency, low power consumption, high-definition sound quality, and comprehensive protection mechanism. With protection function, reverse power protection is safer. Easy to use, independent tuning of high…

Brand: BTZGNDMIO