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YJCO Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for YJCO products.

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User Manuals, Instructions and Guides for YJCO products.

YJCO manuals

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YJCO D325MAX High-Power Digital Amplifier Instructions

May 22, 2026

YJCO D325MAX High-Power Digital Amplifier Introduction The D325MAX is a newly designed digital amplifier, powered by the TPA3255 digital power amplifier chip. It delivers an impressive 300W per channel with…

YJCO D315B High Power Digital Amplifier Instruction Manual

May 22, 2026

YJCO D315B High Power Digital Amplifier Digital Amplifier D315B High-Power Digital Amplifier D315B is a newly designed digital amplifier that uses the TPA3255 digital amplifier chip, delivering a high output…

YJCO D185 Channel High-Power Digital Amplifier Instruction Manual

April 16, 2026

YJCO D185 Channel High-Power Digital Amplifier product introduction The D185 is an all-new designed digital power amplifier, featuring two TPA3255 digital amplifier chips to form a 2.1-channel system. It delivers…

LM386PRO Integrated Amplifier Operation Manual

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Operation manual for the YJCO LM386PRO Integrated Amplifier, featuring technical specifications, functional diagrams, and usage instructions.

YJCO D175+ Digital Power Amplifier User Manual

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User manual and technical specifications for the YJCO D175+ Digital Power Amplifier, featuring Bluetooth 5.4, TPA3251 chip, and ES9038Q2M decoding.

D325MAX High-Power Digital Amplifier User Manual

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User manual and technical specifications for the YJCO D325MAX High-Power Digital Amplifier, featuring TPA3255 chip, ES9038Q2M DAC, and Bluetooth connectivity.

YJCO D50E Mini TPA3116 2.0 Class D Power Amplifier Specifications

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Technical specifications for the YJCO D50E Mini TPA3116 2.0 Class D Power Amplifier. Features 2x50W output, 90% efficiency, and compact design.

IRS2092 High-Power Dual-Channel Power Amplifier Board User Guide

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User guide and specifications for the YJCO IRS2092 High-Power Dual-Channel Power Amplifier Board. Includes safety precautions and technical details.

K150 HD Karaoke Power Amplifier Specifications & Overview

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Discover the technical specifications and features of the YJCO K150 HD Karaoke Power Amplifier, featuring the TPA3251 chip and PT2399 effects processor for high-fidelity audio.

DB100 Digital Power Amplifier User Manual

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User manual and technical specifications for the YJCO DB100 Digital Power Amplifier, featuring TPA3116A2 chips, Bluetooth connectivity, and operating instructions.

YJCO D325T Digital Bluetooth Power Amplifier User Manual

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User manual and specifications for the YJCO D325T Digital Bluetooth Power Amplifier, featuring TPA3255 chip, Bluetooth 5.4, and high-fidelity audio support.

D316B HiFi Power Amplifier User Manual

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User manual and technical specifications for the YJCO D316B HiFi Power Amplifier, featuring Bluetooth 5.4, USB input, and TPA3116 amplifier chip.

YJCO D210B 2.1 Channel Bluetooth Amplifier Specifications and Guide

technical specification

Technical specifications, usage notes, and subwoofer compatibility guide for the YJCO D210B 2.1 channel digital audio amplifier.

D11 TPA3250 Power Amplifier Technical Specifications

technical specification

Technical specifications and product description for the YJCO D11 TPA3250 Class-D digital power amplifier, featuring Bluetooth 5.1 connectivity and high-definition audio support.

D200A High-Power Digital Amplifier User Manual

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User manual and technical specifications for the YJCO D200A High-Power Digital Amplifier, featuring TPA3221 chip, Bluetooth 5.1, and analog VU meter.