The Pure Sound 55 Professional Karaoke Recording Amplifier user manual provides setup, operation, safety instructions, and technical specifications.
The Pure Sound 55 is a professional digital mixing karaoke amplifier with dual digital echo processing, microphone inputs, USB recording, and up to 600 W audio output. It offers features such as true‑stereo echo, super‑bass mode, video switching, and protective functions like overload and short‑circuit protection.
This manual explains safety precautions, installation steps, control panel functions, speaker and power connections, recording operation, and includes a full specification table. It also provides troubleshooting tips and maintenance guidance for reliable long‑term use.
| Audio output (max) | 600 W |
|---|---|
| Microphone input sensitivity | 15 mV |
| External device sensitivity | 250 mV |
| Signal‑to‑noise ratio | 90 dB |
| Total harmonic distortion (THD) | 0.1 % |
| Frequency response | 25 Hz – 20 kHz |
| Power source (voltage) | AC 115 V / 60 Hz, AC 230 V / 50 Hz |
| Net weight | 33 lb |
| Dimensions (W × H × D) | 430 mm × 155 mm × 355 mm |
The amplifier can deliver up to 600 watts of audio output.