Phil Jones X4 Nanobass BK

Mini Combo Amplifier for Bass, Guitar, Ukulele and more

Image Phil Jones X4 Nanobass BK

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Latest User Reviews

3 years ago

Big sound from a small box

I needed a portable bass-combo to play bass ukulele in a acoustic group on a pub. The Nanobass X4 is loud enough for that purpuse. It is a pity that PJB does not (yet) sell the X4C version in Europe. That one has a USB-C contact so that you can power the amp from a powerbank.

Technical Data

  • Manufactured by Phil Jones
  • Released in 2022
  • Average price : $401
  • Transistor / solid-state design
  • Digital amplifier circuit
  • Power: 35 W (RMS)
  • DSP-based active crossover and dynamic range control
  • Bluetooth 5.0
  • Speaker configuration: 1x 4" PJB N52 Neo-Power
  • Speaker frequency range from 72 to 15,000 Hz
  • 3-Band EQ with +/- 15 dB boost/cut in each band
  • Lightweight construction
  • Aux input (3.5 mm stereo jack or Bluetooth) with adjustable level
  • Easy connection and playback of external devices via Bluetooth
  • Headphone output
  • Controls for input level, aux / Bluetooth level, bass, mid, treble and master volume
  • Power toggle switch on top
  • Input voltage 100 - 240V AC
  • Dimensions : 160mm x 200mm x 198mm
  • Weight 2.4 kg
  • Colour: Black Tolex cover
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