InterM PU-103 , PU-106 , PU-112 PA Amplifier

The PU Series consists of high-performance digital amplifiers designed for versatile audio applications. Available in three models—PU-103 (30W), PU-106 (60W), and PU-112 (120W)—each amplifier features a compact 1U design for easy installation. Key features include USB audio playback, input level control, tone adjustments (bass and treble), and input signal LEDs for monitoring. Additionally, the amplifiers offer automatic sleep mode for power efficiency, priority muting for signal control, and an external mute function for external device integration. With their high efficiency, reliability, and ease of use, the PU Series amplifiers are perfect for a wide range of sound systems and setups.

SKU: PU-103,PU-106,PU-112 Category: Tag:

Product 1: PU-103 PA Amplifier

The PU-103 Amplifier offers a compact 1U design for easy installation and operation. With a high-efficiency digital amplifier circuit, it delivers 30W of rated power while maintaining low weight and heat. This amplifier features USB audio playback from a thumb drive, input level control for Channels 1–3, and a tone control function to adjust bass and treble. The input signal LEDs make it easy to monitor each channel, and the automatic sleep mode reduces power consumption when idle. Additionally, the priority muting feature allows you to control other input signals, while the external mute function enables output signal control from external devices.

Key Features:

  • Compact 1U design for easy installation
  • Digital amplifier circuit with 30W rated power
  • USB thumb drive audio playback function
  • Input level control for Channels 1–3
  • Tone control (Bass and Treble) for sound adjustments
  • Input signal LEDs to monitor signal input
  • Automatic sleep mode for power efficiency
  • Priority muting for controlling input signals
  • External mute function for output signal control

Product 2: PU-106 PA Amplifier

The PU-106 Amplifier provides 60W of rated power, making it suitable for medium to large setups. It features a high-efficiency digital amplifier circuit, ensuring reliability, low weight, and minimal heat. With USB audio playback, input control for Channels 1–3, and tone adjustments for bass and treble, this amplifier delivers flexible audio control. Input signal LEDs allow easy monitoring of input channels, while the automatic sleep mode conserves power when inactive. The priority muting feature ensures that important signals are prioritized, and the external mute function offers external control over the output signal.

Key Features:

  • 1U compact design for easy integration
  • 60W of rated power with a high-efficiency digital amplifier
  • USB audio playback support
  • Input level control for Channels 1–3
  • Tone control for bass and treble adjustment
  • Input signal LEDs for quick signal monitoring
  • Automatic sleep mode for energy saving
  • Priority muting for controlling input signals
  • External mute function for external equipment control

Product 3: PU-112 PA Amplifier

The PU-112 Amplifier provides 120W of rated power, ideal for larger setups and high-demand environments. It features a high-efficiency digital amplifier circuit with minimal heat production. USB audio playback, input level control for Channels 1–3, and tone control for bass and treble provide versatile sound adjustments. Input signal LEDs help monitor input channels, while automatic sleep mode helps to save power during inactivity. The priority muting feature ensures the most important signals are heard, and the external mute function allows external devices to cut off output signals when needed.

Key Features:

  • Compact 1U design for efficient use of space
  • 120W rated power with high-efficiency digital amplifier
  • USB thumb drive audio playback
  • Adjustable input level controls for Channels 1–3
  • Tone control for bass and treble adjustment
  • Input signal LEDs for signal monitoring
  • Automatic sleep mode for power savings
  • Priority muting for input signal control
  • External mute function for output control via external devices

Each product offers a blend of power, efficiency, and user-friendly features to meet the needs of various audio applications.

Product specification

PU-103 PU-106 PU-112
Rated Output Power (1kHz, THD 1%) 15.5V(8Ω) 21.9V(8Ω) 21.9V(4Ω)
70V(166Ω) 70V(82Ω) 70V(40.83Ω)
100V(333Ω) 100V(167Ω) 100V(83.33Ω)
S/N MIC Better than 55dB
RCA, 6.35Φ PHONE JACK Better than 55dB
LINE, TEL IN Better than 55dB
Input Sensitivity
/Impedance		 MIC (BALANCE) -60dBV /2kΩ
LINE (BALANCE) -20dBV /2kΩ
RCA (UNBALANCE) -20dBV /2kΩ
6.35Φ PHONE JACK
(UNBALANCE)		 -20dBV /2kΩ
TEL IN (BALANCE) 0dBV/600Ω
THD+N 1kHz (1/3Pwr @8Ω) Less than 1%
TONE CONTROL BASS(200Hz) ±10dB
TREMBLE(15KHz) ±10dB
Frequency Response
(1W,±3dB,Low-Z)		 INPUT 1~2 (MIC) 300Hz~12kHz
INPUT 2~3 (LINE), TEL IN 300Hz~15kHz
Operating Temperature -10℃~+40℃
Power Source AC 120-240V, 50/60Hz
Power Consumption (1/8W) 20W 35W
Weight (Set) 2.82kg/6.2Ib 3.18kg/7.01Ib 3.18kg/7.01Ib
Dimensions (Set) 300(W) x 44(H) x 230(D)mm/11.8(W) x 1.7(H) x 9(D)in

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