Powerful Versatile Speaker Amplifier for Home and Outdoor Use-D421

Powerful Versatile Speaker Amplifier for Home and Outdoor Use-D421. Wide Frequency Response: 20Hz-34kHz with +/-0.3dB tolerance ensures transparent and detailed audio. Low Distortion: Total harmonic distortion is less than 0.1% for pure sound quality. Multi-Channel Control: Independent peak output voltage adjustment for each channel. Comprehensive Certifications: ISO9001, SGS, CE, CCC, and ROHS certified for quality assurance. Flexible Customization: Offers minor, flexible, and full customization including designs and samples. Robust Build Quality: Compact chassis size 88x483x438mm with 100% visual and function inspection. Global Power Compatibility: Supports AC 180-240V (90-120V) at 50-60Hz for worldwide use.