Biamp PM4100 Stereo Pre-Amp/Mixer with 4x GPIO Inputs, 1x Stereo Output

The Biamp PM4100 Stereo Pre-Amp/Mixer with 4x GPIO Inputs, 1x Stereo Output is a multi-functional stereo preamplifier controlled via the network or RS-232 connection. The PM4100 is equipped with four stereo inputs, 4 GPIO, and one stereo output. It integrates easily with a variety of control systems and the USB input enables direct audio connection and volume control from a computer. The PM4100 can be powered by either PoE or 12V DC. It’s audio performance, ease-of-use, and versatile feature set makes the PM4100 ideal for a variety of professional audio applications.

Biamp PM4100 Stereo Pre-Amp/Mixer with 4x GPIO Inputs, 1x Stereo Output Features

- Four unbalanced stereo inputs
- One balanced stereo output
- 2 bi-directional RS-232 ports for third party control with feedback
- 4 GPIO for control of relays, switches, and sensors
- Possible to mix Input 1 with the current selected input
- 3 band equalizer for bass, mid and treble control
- Auto standby mode
- PoE powered (IEEE 802.3at Class 2, 7W)
- When powered by PoE the 12V DC output supplies power for external devices such as control systems
- Covered by Biamp Systems' five-year warranty

Biamp PM4100 Stereo Pre-Amp/Mixer with 4x GPIO Inputs, 1x Stereo Output Specifications

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 Outputs: 1 (stereo)
- Output impedance: 100Ω
- Output Level (@ 0 dB FS): 1.3 Vrms
- Connector: 5-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:
- Main: 12V DC 5W
- PoE: IEEE 802.3at Class 2, 7W
- Cooling: Convection

Environmental:
- Ambient Operating Temperature Range: 0 – 30° C (32 - 86° F)
- Humidity: 10-90% relative humidity (non-condensing)
- Altitude: 0-6,600 ft (0-2000m) MSL

Physical:
- Dimensions (W x H x D): 218 x 37 x 70 mm
- Weight: 0.5 kg