| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $84.43 | $82.70 | $80.12 | $76.67 | Contact US |
R-1A 70W Professional Constant Voltage and Resistance Power Amplifier Support Multiple Microphone Input
Features:
- Built-in wireless Bluetooth, support Bluetooth devices such as cellphone/computer/tablet PC with high sensitivity.
- Multiple play modes: audio cable, SD card, USB flash drive
- Treble and bass/reverb adjustment
- Microphone delay adjustment, which can simulate the sound field in various listening environments such as hall, church, stadium, studio, etc.
- Protection functions: short-circuit protection, overload protection, over-current protection, over-voltage protection, self protection.
- It is compatible with a variety of external audio source devices such as computer, cellphone, project, TV, etc.
- Application: office, meeting room, shopping malls, cafe, airport/station, classroom and so on.
Specification:
- Model: R-1A
- Rated voltage: 200 - 240V, 50/60Hz
- Peak power: 70W
- Power supply voltage: AC220V/50Hz
- Harmonic distortion: <0.2%
- SNR: >78dB (A-weighted)
- Single channel: 1CH
- Sensitivity: 500mV/47Kohm
- Output impedance: 4 - 16ohm, 70W, 110V
Package Included:
- 1 x Power Amplifier
Common Error Solution:
- Control failure / system crash: turn off the computer, unplug the power cord, plug it back in, and then turn it on again.
- Silent on one side of the speaker: check the connection part of the speaker and adjust the balance knob to the middle position.
