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The AMP-D225H is a two-channel class D amplifier delivering 25 watts per channel in a sleek, compact design. Because there is no need for internal cooling fans, the AMP-D225H can be placed in a conference room with virtually no audible noise. The ability to bridge channels gives even more power and flexibility to the AMP-D225H. The AMP-D225H is also equipped with four stereo inputs, four GPIO, and two RS-232 interfaces. It integrates easily with a variety of control systems and the USB input enables direct audio connection and volume control from a computer. It’s audio performance, ease-of-use, and versatile feature set makes the AMP-D225H ideal for a variety of professional audio applications.
FEATURES
• Two channels; 25W per channel
• Bridgeable channels
• Class D amplifier topology
• Supports 4Ω and 8Ω outputs
• 4 GPIO for control of relays, switches, and sensors
• 3 band equalizer for bass, mid and treble control
• Auto standby mode
• CE marked, UL listed, and RoHS compliant
• Covered by Biamp Systems’ five-year warranty
| Specification | Value |
|---|---|
| Network Connection | |
| Connector | RJ-45 with Ethernet (CAT5e or better) |
| Inputs | |
| Number of Inputs | 4 (stereo) |
| Connector | RCA |
| Input Impedance | < 100kΩ |
| Max Input Level | 2 Vrms |
| Input Gain (adjustable) | ± 12 dB |
| Wake on Signal | Adjustable level |
| Outputs | |
| Number of Channels | 2 |
| Maximum Rated Output | |
| Single Channel, 4Ω | 35W |
| Single Channel, 8Ω | 25W |
| Bridged, 4Ω | 55W |
| Bridged, 8Ω | 35W |
| Minimum Operational Load | 2Ω |
| THD+N (20 Hz - 20 kHz, @ 1W) | < 0.1 % |
| Connector | 4-pin, 0.3-inch Euroblock |
| USB | |
| Connector | USB 2.0 Type-B |
| Bit Depth | 16-bit |
| Sample Rate | 48kHz |
| GPIO | |
| Number of Ports | 4 |
| Connector | 5-pin, 0.3-inch Euroblock |
| Type | Open drain |
| Input Trigger Low | < 1V DC |
| Input Trigger High | > 4V DC |
| Isolated Output | No |
| Max Voltage | 24V DC |
| Max Current | 0.5 A |
| RS-232 / IR | |
| Number of Ports | 2 (bidirectional) |
| Connector | 3-pin, 0.3-inch Euroblock |
| Baud Rate | 1200 – 115200 bit/sec |
| Data Bits | 7, 8 |
| Parity | Even, Odd, None |
| Stop Bits | 1, 2 |
| IR Frequency Range | 400 Hz to 500 kHz |
| Power | 24V DC 50W |
| Cooling | Convection |
| Overall Dimensions | |
| Height | 1.5 inches (37 mm) |
| Width | 8.6 inches (218 mm) |
| Depth | 2.8 inches (70 mm) |
| Weight | 1.1 lbs (0.5 kg) |
| Environmental | |
| Ambient Operating Temperature Range | 32 - 86° F (0 – 30° C) |
| Humidity | 10-90% relative humidity (non-condensing) |
| Altitude | 0-6,600 ft (0-2000m) MSL |
| Compliance | |
| Certifications | FCC Part 15B (USA), UL listed (USA and Canada), CE Marked (Europe), RoHS Directive (Europe) |
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