Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
D Series Two-Channel Conference Digital Amplifier（D-420 D-430）
This series includes 2 models：D-420 ，D-430.
Multi-mode Adaptability: Supports both 100V constant voltage and 8Ω/4Ω constant impedance connections, featuring bridge mode for versatile audio scenarios.
High-Efficiency Stable Operation: Utilizes SMPS switching power supply and CLASS-D amplification circuitry, paired with multi-slot heat sinks for low-temperature operation, high interference resistance, and superior conversion efficiency.
Multi-Layer Protection + Audio Optimization: Incorporates comprehensive built-in protection features and intelligent constant-power technology, employing imported capacitors for multi-stage filtering to deliver pure, interference-free sound.
This series includes 2 models：D-420 ，D-430.
Features
1. Supports fixed voltage and fixed impedance: 100V, 8Ω, 4Ω
2. Designed with advanced high-efficiency switching power supply (SMPS) and Class-D power amplifier circuitry;
3. Premium porous heat sinks ensure stable low-temperature operation in harsh environments;
4. Multiple sensitivity and compression modes available, with bridging capability;
5. Comprehensive protection features ensure orderly operation, featuring intelligent constant power technology and resonant soft-switching technology;
6. Premium power supply with strong anti-interference capability, high stability, high conversion efficiency, and robust protection;
7. Premium imported capacitors with multi-stage filtering reduce AC interference for cleaner, more pleasing sound.
