TDA7388 / TDA7389 4-Channel Audio Amplifier PCB Board (45 W × 4, Bare PCB)
This PCB is designed for building a 4-channel audio amplifier using TDA7388 or TDA7389 IC. Output performance depends on components used and assembly quality.
Output Power:
4-channel output: up to 45 W × 4 (RMS with 8 Ω load, depends on supply and heat dissipation)
Performance:
Total Harmonic Distortion (THD): approximately 0.15% (depends on components and operating conditions)
Working Voltage:
Single supply: +12 V DC
Recommended transformer: 12-0-12 VAC, 5 A to 10 A (step-down, with rectification)
Speaker Compatibility:
Supports 4 Ω and 8 Ω speaker loads
Suitable for multi-channel audio systems
IC Compatibility:
TDA7388, TDA7389
Board Specifications:
PCB dimensions: 158 mm × 54 mm
Compact layout for multi-channel amplifier integration
Configuration:
Supports multiple channel configurations based on wiring (e.g., multi-channel or grouped outputs)
Requires external rectification and filtering for DC supply
Construction:
Bare PCB (components not included)
Designed for through-hole components
Included Support Material:
Circuit diagram and assembly reference provided
Intended Use:
Multi-channel audio amplifier construction
4.1, 5.1, or 7.1 channel audio systems (depending on configuration)
