Positive Grid Spark 40 PW
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Positive Grid
Spark 40 PW
Product Info
Article Number:
575603
Brand:
Positive Grid
Model:
Spark 40 PW
Category:
Modelling Guitar Combos
Price:
$251.90
* Prices may vary. Check retailer for current pricing and availability.
The Spark 40 PW is a neat little practice amp, especially if you're into experimenting with sounds and backing tracks. It’s perfect for beginners or bedroom players who want a versatile, app-driven experience, but don’t expect it to replace a full-sized amp for gigging or serious recording.
Product Description
- Positive Grid Spark 40 PW
- Modelling Combo Amplifier for Electric Guitar
- Acoustic Guitar and Electric Bass
- Smart Guitar Amplifier and App
- With on-board control and Smart functions such as Smart Jam Live
- Auto Chords and over 50
- 000 sounds
- Smart Jam: AI-generated backing tracks
- Auto Chords: shows the chords for every Youtube video
- Amp and effect library with over 50
- 000 variations
- growing daily
- Channels: 1
- Power: 40 watts
- Equipped with: 2 x 4" (10.2 cm) speakers
- Frequency response: 20 Hz – 20
- 000 Hz
- Cabinet construction: Bass reflex
- Controls: Amp Type
- Gain
- Bass
- Treble
- Master
- Delay
- Reverb
- Output Volume
- Music Volume
- Switch: 4 programmable presets
- Tap/tuner
- Effects: 43 onboard (expandable via Spark App)
- Input: 6.3 mm jack
- Phones/Rec output: 3.5 mm stereo mini jack
- Aux input: 3.5 mm stereo mini jack
- USB port
- Power supply connection
- Dimensions (W x D x H): 350 x 180 x 190 mm
- Weight: 5.2 kg
- Colour: Pearl
- Includes power supply and USB cable
PROS
- • Smart Jam is surprisingly effective for practice and inspiration.
- • Compact size makes it ideal for small spaces or travel.
- • Onboard controls offer basic amp shaping without needing the app constantly.
- • Decent acoustic guitar response, a pleasant surprise for a combo amp.
CONS
- • 4” speakers lack serious low-end extension; bass response is limited.
- • Relies heavily on the app for full functionality; can feel restrictive.
- • Plastic cabinet construction feels less robust than a traditional amp.
Product Video
Key Features
Power (Watts)
40
Speaker
2 x 4” (10.2 cm)
Amp Models
Hundreds, accessed via Positive Grid Spark App – diverse but often ‘sterile’
Effects
43 onboard, expandable via app – reverbs are serviceable, delays decent.
Presets
4 programmable
Weight
7.7 lbs (approximate – based on similar Positive Grid models)
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Frequently Asked Questions
It's surprisingly adaptable, but shines best with rock, blues, and pop; more complex genres like jazz can feel a bit generic.
Yes, there's a 3.5mm auxiliary input, but you'll lose the Smart features and be limited to basic amp/effect settings.
No, it's a modeling amp – the tone is clean and digital, lacking the warmth and character of a tube amp, but it offers a wide range of sounds.
