PM248 - 480W Integrated Mixer Amplifier
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PM248 - 480W Integrated Mixer Amplifier
PM248 - 480W Integrated Mixer Amplifier
PM248 - 480W Integrated Mixer Amplifier
PM248 - 480W Integrated Mixer Amplifier
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List Price £836.40 incl. VAT
Inter-M - PM248

480W Integrated Mixer Amplifier

100V Line Audio System
Low Impedance Audio System
USB - Universal Serial Bus
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Product Description

The Inter-M PM248 is a 480W multi-purpose desktop mixer amplifier.

The PM248 multi-purpose integrated mixer amplifier features multiple inputs:
  • 3 Microphone/Line 
  • 2 Line
  • 2 Stereo/ Line inputs, USB and a function to control the volume of each channel
This amplifier features a telephone input terminal for connectivity to a standard phone system, allowing paging directly from a telephone handset. VOX priority override is available on inputs 1 and 2 as well as the telephone input.

  • Education facilities: High School, College, University, Training Institute, etc.
  • Commercial: Department stores, Shopping centres, Multiplex cinemas, hospitals, etc
  • Public facilities: Government offices, transportation, stations, airport terminals, exhibition halls, factories, resorts, etc.
The PM Series amplifiers are available in outputs of 360, 480 and 600W with Low-Impedance (4 Ω) or High-Voltage (70v / 100v line) options. The higher output amplifiers use Inter-M's Class-D amplifier technology.

The PM248 Integrated Mixer Amplifier can be desktop or rack mounted and is ideal for commercial audio applications such as background music (BGM), paging and public address (PA).

Specification Sheet


  • Class-D amplifier 480W output power
  • High-Z (100V / 70V) and Low-Z (8Ω / 4Ω)
  • Multiple inputs (three microphones / lines, two lines, two stereo / line inputs, such in, USB) and a function to control the volume of each channel
  • Ext In and Mix Out
  • Display of the input signal controlled by the channel and the level of the output LED
  • Tone control (bass/treble)
  • 5 zone selection switches
  • Broadcasting in priority
  • Chime and siren
  • Compatible with RM-05A paging microphone console
Description PM248
Power consumption (1/8W) 125W
Operating Power AC 120-240V, 50/60Hz
Rated Power(1kHz) less than 1%
Mix out (balance) 0dbu /10kΩ
Ext In (balance) 0dbu /20kΩ
Tel In (balance) -20 ~ 0dbu/10kΩ
3.5Φ Phone Jack (unbalance) -10dbu /10kΩ
RCA (Unbalance) -20dbu /2kΩ
Line (balance) -20dbu /2kΩ
Mic (balance) -70dbu /2kΩ
S/N Line, Tel In 70db
S/N RCA, 3.5Φ Phone JacK 70db
S/N Mic 50db
Output Power (1kHz, Thd. 1%) 38V(4Ω)
Output Power (1kHz, Thd. 1%) 70V(13.6Ω
Output Power (1kHz, Thd. 1%) 100V(27.7Ω)
Operating Temperature -10℃~+40℃
Dimensions 420(W) x 88(H) x 318.7(D)mm
Weight (Net) 5.27kg
Weight (Gross) 6.75kg
  • UVDB Registered
  • PLASA Member
  • Member of BESA
  • BSI 9001
  • ISCE supporting member