Roland Mobile Cube

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Roland Mobile Cube

Roland

Mobile Cube

4.4 Expert Rating

Product Info

Article Number: 207926
Brand: Roland
Model: Mobile Cube
Category: Keyboard Amps
Price: $194.70

* Prices may vary. Check retailer for current pricing and availability.

The Mobile Cube is a clever little amp, really geared towards practice, songwriting, or small, intimate performances. It’s incredibly convenient with its battery power, and Roland’s amplification is generally quite clean – just don’t expect earth-shaking volume or booming bass. It's a great option for keyboard players, acoustic guitarists, or vocalists needing a portable, self-contained solution.

Product Description

  • Roland Mobile Cube
  • Battery Powered Amplifier
  • Amplifier power: 2x 2.5 Watt
  • Loudspeaker: 2x 4"
  • Inputs for microphone (jack) and instrument MONO/STEREO (2x jack for keyboard
  • electric guitar
  • acoustic guitar
  • bass)
  • 2x AUX IN (mini jack) and 2x RCA for CD/MP3 player
  • drum computer
  • etc.
  • Equalizer and echo/stereo reverb for microphone and instrument input
  • Headphone connection: 3.5 mm jack
  • 6x AA batteries for 15 hours operation (included)
  • 175 mA Current consumption
  • Flange for microphone stand
  • Dimensions (W x D x H): 280 x 108 x 177 mm
  • Weight: 2.5 kg
  • Includes batteries and carrying strap
  • Suitable power supply PSB-230EU: Art. #138091 (not included)
PROS
  • • Compact design, surprisingly portable for a keyboard amp.
  • • Roland’s clean amplification avoids muddiness at higher volumes.
  • • Built-in effects offer basic reverb and echo for vocal/instrument enhancement.
  • • Battery operation provides true portability for practice or small gigs.
CONS
  • • Limited power; struggles with larger rooms or louder band settings.
  • • 4-inch speakers lack low-end extension; bass response is noticeably thin.
  • • Mono instrument input restricts stereo keyboard signals, impacting sonic richness.

Product Video

Key Features

Power (Watts) 5 (2x2.5)
Channels 2 (Mono Instrument, Mic/Stereo Instrument)
Speaker 2 x 4 in
Connections Mic (XLR/TRS), 2 x Instrument (1/4 in), 2 x Aux (3.5 mm), 2 x RCA, Headphone (3.5 mm), Mic Stand Flange
Weight 2.5 kg

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Frequently Asked Questions

It’s a significant step down in terms of power and low-frequency response; think of it as a focused practice amp, not a stage-ready powerhouse.
Yes, but be aware the 4-inch speakers will struggle to reproduce bass frequencies effectively; it’s best suited for acoustic bass or very light electric bass.
Battery operation is great for portability, but the included power supply is recommended for longer practice sessions or when you need more consistent volume.

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