Digital Amplifier Manuals & User Guides

YJCO D130B Tone 2.0 Bluetooth Digital Amplifier Owner’s Manual

September 18, 2026

D130B Tone 2.0 Bluetooth Digital Amplifier Operation Manual Product Introduction The D130B is equipped with high-grade sealed inductors, delivering greater power output and lower distortion.The high-frequency performance is significantly improved, with better extension and texture compared to ordinary inductors.In addition,…

Brand: YJCO

dcart D50 TPA3116 Dual Channel Digital Amplifier Installation Guide

August 29, 2026

dcart D50 TPA3116 Dual Channel Digital Amplifier Installation Guide   PRECAUTIONS Bluetooth Mode & RCA Input Switching The D50B enables Bluetooth by default when no RCA input is connected. The Bluetooth name is VJHIFI; simply connect to start playback. To…

Brand: dcart

YJCO D100A 2-Channel Bluetooth Digital Amplifier User Manual

August 29, 2026

YJCO D100A 2-Channel Bluetooth Digital Amplifier Overview The D100A is a 2-channel Bluetooth 5.0 digital amplifier that supports Bluetooth playback by default and switches to RCA input only when both left and right RCA cables are connected. Specifications Model: D100A…

Brand: YJCO

YJCO D323E 2.1 Channel Digital Amplifier Instructions

August 13, 2026

YJCO D323E 2.1 Channel Digital Amplifier Quick Setup & Use Provide DC power within 24V–42V to the DC power jack (5.5×2.5mm), with center positive (+) and outer negative (-). Connect passive speakers only to the binding post terminals. For optical…

Brand: YJCO

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 

HIFONICS JUNO IV-DSP 4-Channel Class D Digital Amplifier User Manual

August 6, 2026

USER’S MANUAL VERS. 1.2 4-CHANNEL AMPLIFIER WITH 6-CHANNEL DSP JUNO IV-DSP GENERAL INFORMATION SCOPE OF DELIVERY 1 x JUNO IV-DSP DSP Amplifier 1 x Wire Harness with 20-pin Connector 1 x Wire Harness with 2-pin Connector 1 x USB Cable,…

Brand: HIFONICS

S-TRACK X4350 Whale Digital Amplifier User Manual

July 9, 2026

S-TRACK X4350 Whale Digital Amplifier Preface The purpose of this section is to ensure that the user is able to use the product correctly through this manual in order to avoid danger in operation or property damage. Before using this…

Brand: S-TRACK

S-TRACK X2350 Whale Digital Amplifier User Manual

July 8, 2026

S-TRACK X2350 Whale Digital Amplifier Overview The Whale X2350 is a 2-channel 350W Class D digital amplifier designed for reliable audio performance. It features a high-capacity switching power supply, supports both stereo and bridge modes, and includes multiple protection mechanisms…

Brand: S-TRACK

S-TRACK XD2120 Whale Dante Digital Amplifier User Manual

July 8, 2026

S-TRACK XD2120 Whale Dante Digital Amplifier Preface The purpose of this section is to ensure that the user can use the product correctly through this manual to avoid danger in operation or property damage. Before using this product, please read…

Brand: S-TRACK

S-TRACK X2150 Whale Digital Amplifier User Manual

July 8, 2026

Whale X2150 Digital Amplifier User Manual Preface The purpose of this section is to ensure that the user is able to use the product correctly through this manual in order to avoid danger in operation or property damage. Before using…

Brand: S-TRACK