The PM4100 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.

Product 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

Product Specifications

General

• Network Connection: 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 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: 32 - 86° F (0 – 30° C)
  • Humidity: 10-90% relative humidity (non-condensing)
  • Altitude: 0-6,600 ft (0-2000m) MSL

Physical

• 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)