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Misco GPA-221 Three Channel Amplifier
The MISCO GPA221 compact three channel power amplifier is suitable for a wide range of applications, such as digital signage, kiosks, commercial equipment, classrooms, computer systems, point of sale, computer audio systems, gaming and more. Compact with a high power Class D amplifier and switchable between 2 and three channels (for subwoofer) it runs off readily available DV plug packs and accepts audio from a standard 3.5mm audio plug for sound input.
Features:
- Class D amplifier technology
- High power output
- Compact design
- Master volume control
- Bass level control in 3 channel mode
- Two or three channel output, switchable
- Wide power supply voltage range (not included)
Specifications:
- 200W Class D
- Three channel mode: 1 x woofer; 2x high range
- Crossover frequency: 125 Hz
- Two channel stereo mode: 2x full range 30 Hz to 20 kHz
- 3.5mm audio input socket (stereo)
- Size: 16.5 cm x 14 cm x 4.5 cm / 6.5" x 5.5" x 1.75" (approx.)
- Power supply needed: 18-32 V DC (for current, see below) - not included
Voltage Specifications:
Operating Voltage (VDC) | 18V Supply Minimum | 24V Supply | 32V Supply Maximum |
Nominal Current (Current with no audio playing) |
150mA | 160mA | 180mA |
In Rush Current | 22A x 2ms followed by 2.6A x 20ms |
22A x 2ms followed by 2.6A x 20ms |
22A x 2ms followed by 2.6A x 20ms |
Power Output and Current Specifications:
18V Supply | 24V Supply | 32V Supply | ||||
4 Ohm | 8 Ohm | 4 Ohm | 8 Ohm | 4 Ohm | 8 Ohm | |
High Freq. Channels Current (required per output @ 1% THD+N. Add 20% for at 10% THD+N) |
350mA | 260mA | 600mA | 360mA | 900mA | 470mA |
Sub Channels Current (required per output @ 1% THD+N. Add 30% for at 10% THD+N) |
2.05A | 1.05A | 2.75A | 1.6A | 3.7A | 2A |
Peak Current | 4A | 2.2A | 4.8A | 2.6A | 5.8A | 3.8A |
High Frequency Channels (Output power at 1% THD+ N. Tested with a 1kHz sine wave) |
5W | 4.5W | 13W | 7.7W | 22.5W | 13W |
Subwoofer Channel (Output power at 1% THD+ N. Tested with a 100Hz sine wave) |
9.5W | 5.5W | 50W | 30W | 83W | 52.5W |
High Frequency Channels (Output power at 10% THD+ N. Tested with a 1kHz sine wave) |
9.6W | 5.3W | 18W | 9.6W | 28W | 16.25W |
Subwoofer Channel (Output power at 10% THD+ N. Tested with a 100Hz sine wave) |
27W | 17W | 58W | 36W | 100W | 66W |
Crossover Specifications:
2.0 Mode | 2.1 Mode | |
Crossover | 350 Hz-20 kHz | 125 Hz-20 kHz |
High Frequency Channels Frequency Response | 35 Hz-20 kHz | 125 Hz-20 kHz |
Subwoofer Channel Frequency Response | N/A | 350 Hz-125 kHz |
Dimensions:
Misco GPA221 amplifier dimensions (approx.)