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Positive Grid Spark 40w Practice Amp

The #1 Best Selling Practice Amp



FREE UK Delivery

Free & Next Day delivery to most UK locations when spending over £149

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Available to collect by request.

Special Offer

Buy a Spark Amplifier, and get 10% off of the Spark CAB!

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Product Description

Here's what Positive Grid say about the Spark Practice Amp...

Packed with 40-Watts of immersive, room-filling sound, ultimate on-board control and massively inspiring smart features like all new Smart Jam Live, Auto Chords, 10,000+ tones and more!

Expect more from your amp.

Vivid, spacious sound and elevated tone from the smart amp that started it all. Want a compact home rig that truly rocks? You’ve come to the right place. Jam, play and practice more with millions of songs. Access over 10,000 tones powered by our award-winning deeply powerful BIAS tone engine.

The amp that jams along with you.

Simply start to play and the Spark amp and app work together to learn your style and feel. Then Spark generates authentic bass and drums to accompany you in real time. It’s a smart virtual band that’s always ready to jam!

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Audio Specifications

  • Frequency Range: 20-20,000 Hz
  • Stereo/mono: Stereo
  • Maximum Sound Pressure Level: 116 Db Spl @1m
  • Cabinet Principle: Bass-reflex
  • Power Amplifiers: 40 Watt Class D Amplifier
  • Speakers: Two - 4" Custom Designed Speakers
  • Total Impedance: 4 Ohms

Controls and Connectivity

Top Panel Controls

  • Amp Type
  • Gain, Bass, Mid, Treble, Master, Mod, Delay, Reverb
  • Output Volume
  • Music Volume
  • Four Programmable Preset Buttons
  • Tap/tuner Button

Rear Panel

  • Usb Port
  • Aux in
  • Dc in

Onboard Effects

  • 33 Amp Models
  • 43 Effects
  • (Noise Gate, Compressor, Distortion, Modulation/eq, Delay, Reverb)

Wired Connectivity

  • 1/4" Guitar Input
  • 1/8" Aux Input
  • 1/8" Headphone

Wireless Connectivity

  • Bluetooth Audio

USB Audio

  • USB Interface for Recording
  • 1 in X 2 Out

Physical Unit

  • Dimensions: 350 X 180 X 190 Mm (13.78 X 7.08 X 7.48 in)
  • Weight: 5.2 Kg/11.46 Lb
  • Covering: Black Textured Vinyl
  • Grille Cloth: Custom Black/brown
  • Handle: Removable Leather Handle

Included in the Box

  • Box Contents
  • Spark Amplifier
  • Power Adapter
  • USB Cable
  • Quick Start Guide


  • Main Input Voltage: 100 - 240 V
  • Main Frequency: 50/60 Hz


  • Mobile Apps
  • Spark App for Ios and Android

Customer Reviews


60 reviews





Mr Joe Maund7th Apr 2024

Value 5Looks 5Durability 5Sound 5

Trusted Customer13th Mar 2024

Just getting to grips with all the functions as never tried this before. Pleased with the versatility and product thus far though would have liked a looper funcion as satndard.

Value 4Looks 4Sound 4

Trusted Customer12th Mar 2024

Value 5Looks 4Durability 5Sound 5

Mr Andrew Hyde4th Mar 2024

Value 4Looks 4Durability 4Sound 4

Trusted Customer3rd Mar 2024

Love the amp but original died after 4 weeks use. Hoping it was a one off as this is my favourite practice amp

Value 5Looks 5Durability 3Sound 5

Mr Paul Rumming2nd Mar 2024

Very fun amp for home use

Value 5Looks 5Durability 5Sound 4

Trusted Customer15th Feb 2024

Great so far, still experimenting with all the settings

Value 4Looks 5Durability 4Sound 4

Trusted Customer13th Feb 2024

Value 4Looks 4Durability 4Sound 4

Mr Harrison McCoy13th Feb 2024

Amp works amazingly as a home amp, models well, tones are great, the additional features are fantastic but do need to dig deeper on it. Didn't love the additional 'DLC' cost for the hendrix stuff but honestly, for the price you pay on this bit of kit, it is worth paying that bit extra.

Value 5Looks 5Durability 5Sound 5

Mr Mark Latham11th Feb 2024

Tone quality, equipment selection, app control at this price is really amazing, for a very versatile rehearsal amp it would take some beating, would it keep with a live drummer…no, but for most other scenarios its a big plus

Value 5Looks 4Sound 4

Finance available at checkout for orders £300+

How do I use instant finance?

It's simple! Just add the products you want to your basket and click the "Checkout" button in your basket. Go through the checkout process and tick the "Finance" option under "Select Your Payment Method". You can then choose which finance term you'd like to apply for, and change your deposit if you wish.

At the end of the checkout you'll be taken to the V12 Finance web site. This is where your finance application is processed. Assuming your application is accepted you'll be able to place your deposit and confirm your order right there.

Then, your order will come through to Andertons and we'll send you the goods. Get approval before 3pm and we'll send your order out the same working day (stock permitting) for next working day delivery!

Who can apply for finance?

You must: spend over £300, be at least 18 years of age, have been a UK resident for 3 years or more, be able to make repayments by Direct Debit, be in regular employment (minimum of 16 hours per week) including self-employment, or in permanent residence with your partner who is in regular employment.

Read More About Online Finance

Andertons Music Company's Registered Office: 58-59 Woodbridge Road, Guildford, GU1 4RF. Andertons Music Company acts as a credit broker and not a lender and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. Not all products offered by Secure Trust Bank PLC are regulated by the Financial Conduct Authority. Andertons Music Company is authorised and regulated by the Financial Conduct Authority, firm registration number 716155. Credit provided subject to age and status.