Controls and Features:
- Music volume, balance, bass, treble controls
- Microphone volume, bass, treble, echo delay, and reverb depth adjustment knobs (including hidden reverb control)
- Anti-feedback (anti-howling) chip
- Digital display screen
- Cooling fan for heat dissipation
- Multiple protection mechanisms including large ring core transformer and automatic protection devices
Additional Features:
- Supports simultaneous connection and use of multiple microphones
- USB port for mass music download and playback
- Clear and intuitive layout of optical and coaxial inputs
- Professional-grade sound quality and powerful dynamic performance
| Width | 36.4 |
| Height | 15.6 |
| NetWeight | 5.14 |
| Brand | HYUNDAI |
| Model | AV-628A / A-128 / 808 / 804 (various references) |
| Type | Professional Karaoke Amplifier |
| Power Output | 500W peak power |
| Audio Channels | HiFi stereo sound |
| Frequency Response | 20 Hz – 20 kHz |
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| Signal-to-Noise Ratio | ≤ 95 dB |
| Microphone Sensitivity | 10 mV |
| Input Sensitivity | 200 mV |
| Power Supply | AC 220V / 50Hz ±10% |
| Weight | Approximately 4.54 kg |
| Dimensions | 425mm (width) x 278mm (depth) x 95mm (height) |
| Microphone Inputs | 4 total (2 on front panel, 2 on rear panel) |
| Suitable Applications | Home karaoke, conference rooms, KTV rooms, classrooms, living rooms |