Skip Navigation Website Accessibility
FREE Shipping On Orders Over $199.99

Positive Grid Spark CAB 140W Guitar Amplifier Cabinet


The Postitive Grid Spark CAB Guitar Amplifier has a 10 inch woofer and 2 high frequency dome tweeters to handle whatever you throw at it.

140 Watt Powered Speaker Cabinet
140-Watt powered guitar amp speaker cabinet optimized to work seamlessly with Spark, Spark MINI and Spark GO amps,¹ as well as other modelers, instruments or amps.² Versatile, high-quality sound for live performances, recording sessions and home practice

Amp your amp.
140-Watts of ferocious power, custom-designed ?to maximize Spark smart guitar amps. Plug in. Get loud.

This is big.
Spark CAB is compact enough to fit anywhere with high-quality sound big enough to blow the doors down. Live performances. Recording sessions. Home practice. CAB has you covered.

Power player.
Spark CAB features a 10-inch woofer and 2 high-frequency dome tweeters, powered by a built-in 140-Watt Class D amplifier. Get clear and accurate dynamic sound reproduction, with full range flat response (FRFR).

Outsized performance.
With plenty of power and headroom, CAB delivers authentic feel and high volume output. Precise and transparent audio reproduction allows players to hear every nuance, capturing the intricate details of every guitar tone.

Built to perform.
Crafted for guitarists who crave reliability and style as much as sonic excellence. Spark CAB achieves this, equally at ease on stage and in your living room.

Power to power.
Spark CAB is a power hub. With a DC power output and a USB-C output, you can connect your Spark (Spark, MINI or GO), tablet or phone. No other power source needed.

Solid style.
Designed to complement your Spark series amp, Spark CAB is constructed from rugged, high-quality materials, including matching tolex and grille cloth. Easy to transport, Spark CAB provides durable portability and a compact footprint.

All guitars welcome.
Spark CAB sounds so good, you'll want to use it for your electric, acoustic and bass, too. With a full audio spectrum from 45-20,000 Hz, Spark CAB delivers great tone for all guitars.

It gets louder from here.
Spark CAB is optimized for Spark series amps,¹ with a dedicated input that perfectly aligns with Spark's sonic output. But you can use it for any other modeler, instrument or amp with a direct out.²?Plug 'em in for gig-level sound anywhere.


  • A dedicated 3.5mm stereo input connects Spark smart guitar amps (Spark/MINI/GO), cable included.
  • Stereo combo XLR/TRS inputs and a balanced XLR output are perfect for connecting to other gear.
  • Engage the contour switch to emphasize low and high frequencies for a better sound balance at low volume.
  • The ground lift switch reduces unwanted hum or noise.


  • Frequency Range: 45-20,000 Hz
  • Stereo/Mono: Mono
  • Maximum Sound Pressure Level: 117 dB (RMS), 120 dB (Peak)
  • Cabinet Principle: Bass Reflex
  • Power Amplifiers: 140 Watt Class D Amplifier
  • Speakers: 1x10-inch woofer, 2x1-inch (25mm) tweeter
  • Total Impedance: 4 ohms
  • Main Input Power: AC 100-240V
  • DC Power Output For Spark 40: DC 19V/2.5A
  • USB-C Power Output For Spark Mini & Go: DC 5V/2A

Back Panel Controls:

  • Input Selector - Switch between the 3.5 mm Spark Input and the two mono XLR/TRS Combo Inputs
  • Speaker Volume
  • Line Out Volume
  • Ground Lift Switch
  • Contour Switch - Boosts low and high frequencies to improve balance at low volumes

Wired Connectivity:

  • 1 x 1/8" dedicated stereo Input for Spark Amp
  • 2 x mono XLR/TRS combo inputs
  • 1 x mono XLR balanced output

Included In The Box:

  • Spark CAB
  • 3.5mm stereo audio cable for Spark amps
  • DC power cable for Spark 40
  • Power cord
  • Quick Start Guide
  • Safety Instructions Card

Physical Details

  • Dimensions: 492.5 x 399.8 x 255 mm (with rubber feet) (19.39 x 15.74 x 10.04 in)
  • Weight: 13.5 kg / 29.76 lbs
  • Grille Cloth: Woven
  • Handle: 2 recessed speaker handles on the sides
  • Cable Tie: 1 adjustable cable tie for fixing instrument and audio cables on the back

Keep your sound pure with the cabinet's ground lift switch to avoid undesired noise.

Contact Us

Store Hours

Mon-Fri:  10am - 5pm
Sat:          9am - 5pm
Sun:         Closed

See Us On Social Media!