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1- 2 x 20 Watt @ 4 0hm as the default amplifier output
2- Bridge connection function. Users can switch the PA20 to be 1 x 40 Watt @ 8 0hm by bridge connection
3- Two stereo audio inputs, switchable by panel button, IR remote and RS232
4- Volume / Bass / Treble controllable by panel buttons IR remote and RS232
5- MIC port can support balanced/unbalanced signals and suppresses external noise effectively. Line audio output via 3.5mm jack, with controllable volume
6- Dual-mono up the stereo audio to two times mono audio. MIC mixer function
7- The microphone will be mixed into the line audio output, and be controlled separately
8- MIC input supports 48V phantom power, dynamic MIC, and Wireless MIC
9- Auto noise gate. Keeps detecting the audio and MIC input, and will mute the output when there is no input
10- Ultra-low inrush current, no need for power sequencing, and this allows multiple iSound PA20 to be powered on simultaneously without overloading power circuits
11- Convection cooled, a fan is not needed
12- Anti-static case design: providing good protection for long-term and stable performance
Features
Diagram
Datasheet
| Model | iSound PA20 |
| Name | Dual 20W Audio Amplifier |
| Audio Input | |
| Input | (2) Stereo Audios, (1) MIC |
| Input Connector | (2) RCA, (1) 3.5mm Jack, |
| (1) Pluggable Terminal Block (3P, 3.81mm) | |
| Audio Output | |
| Output | (1) Amplifier, (1) Stereo Audio |
| Output Connector | (1) 3.5mm Jack, |
| (1) Pluggable Terminal Block (4P, 5.08mm) | |
| Audio Performance | |
| Input Impedance | >10kΩ |
| Output Impedance | 50Ω Analog Output; 4/8Ω Speaker Output |
| Maximum Rated Power Output | 2×20 watts (4 Ohms) |
| Frequency Response | 20Hz ~ 20kHz |
| Common Mode Rejection Ratio (CMRR) | >70dB@20Hz~20kHz |
| Signal to Noise Ratio (SNR) | 80dB (Max) |
| Total Harmonic Distortion + Noise (THD+N) | 1% at 1kHz; 0.3% at 20kHz at Nominal Level |
| General | |
| Power Supply Input Voltage | 100-240v AC at 50/60 Hz |
| Power Supply | 24V DC at 2.71A |
| Maximum Power Consumption | 45 watts |
| Operation Temperature | 0℃ ~ +40℃ |
| Storage Temperature | -10℃ ~ +60℃ |
| Storage Humidity | 10%-90% |
| Dimensions (W*H*D) | 123mm x40mm x87mm |
| Net Weight | 720g |
