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SM Pro Audio XPH4: Micro Headphone Amplifier

Model: SM XPH4

  • No Longer Available at 
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About: SM Pro Audio XPH4: Micro Headphone Amplifier

Conveniently powered from DC adaptor (optional accessory, not included), and housed in a hardened steel chassis, this robust little beast features 4 high-powered independently controllable headphone amplifiers. A handy Stereo/Mono switch is also provided to for use when required.

How many times have you wanted to listen to the mix through a pair of headphones at the same time as someone else but there were none left? Time to get a multi-channel headphone amplifier.

All studios require a flexible headphone amplifier to satisfy a multitude of monitoring needs. Sometimes you will need to distribute a stereo signal evenly to 4 sets of headphones. On other occasions, totally different mixes are required on each headphone.

The XPH4 gives you an a very flexible affordable solution to take care of all your headphone monitoring needs.


  • Input Connectors: stereo 3.5mm mini TRS and RCA
  • Max gain: 19dB/Channel
  • Input Impedance: 100K unbalanced
  • S/N ratio: > 98dB
  • Max input level : + 22 dB
  • Power: 12-18V DC adapter (optional accessory, not included)
  • Output connectors: 1/4” stereo TRS phone
  • Size: 88 x 54 x 38 mm
  • Output impedance: Minimum 10 ohms each output is a Canadian authorized SM Pro Audio retailer.

Reviews: SM Pro Audio XPH4: Micro Headphone Amplifier

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Warranty: SM Pro Audio XPH4: Micro Headphone Amplifier Warranty:

30 Days

Manufacturer's Warranty:

1 Year Warranty