The Positive Grid Spark 40 is a Positive Grid amplifier, currently around $252.44. Close alternatives include the Positive Grid Spark 2 and the Yamaha THR30II Wireless. It pairs well with the Dallas Rangemaster Treble Booster and the ProCo RAT 2.
Positive Grid Spark 40
Positive Grid · amplifier
The Positive Grid Spark 40 is a 40-watt, 2x4-inch modeling guitar combo from Positive Grid's Spark line, offering more power and stereo speaker output than the compact Spark 2 while retaining the series' signature AI-powered tone shaping and companion app integration for smart backing tracks and expanded tone libraries. It's built for players wanting genuine practice-to-small-gig volume alongside the Spark ecosystem's interactive practice features.
- practice
- stereo
- session
- more room filling sound
- louder sound
- bedroom
- live
- compact
Good for
- Practice
- Silent Recording
- Live
- Studio
Price updated Aug 26, 2026
Pedals that stack with the Positive Grid Spark 40
Dallas Rangemaster Treble Booster
Dallas
16% matchInto the Spark 40's room-filling, session-ready practice platform, the Rangemaster's germanium treble boost has a versatile amp voice to brighten.
ProCo RAT 2
Proco
16% matchThe RAT's dark, cutting distortion pushes past what the Spark 40's own room-filling practice models get you on their own.
MXR Distortion+
MXR
15% matchThe Distortion+'s hard-rock clipping gives the Spark 40's clean digital platform an old-school gritty layer its own modeling doesn't replicate.
J. Rockett JRAD Blue Note Tour Series
J Rockett
12% matchPositive Grid Spark 40 leans toward full, and that's a real, usable character to pair with
MXR Phase 90
MXR
12% matchInto the Spark 40's roomier modeled clean tone, the Phase 90's classic sweep stays clean and defined.
Greer Special Request
Greer
11% matchWhat Positive Grid Spark 40 brings here leans toward full — that's worth building a pairing around
Electro-Harmonix XO Deluxe Memory Man
Electro-Harmonix
9% matchKeep the Memory Man's lush analog echo in the Spark 40's loop, clear of the amp's own room-filling, session-ready practice platform. — goes in the amp's FX loop (or last, into a clean amp)
Caroline Guitar Company Meteore
Caroline Guitar Company
8% matchKeep the Meteore's warm, lo-fi spring reverb in the Spark 40's loop, clear of the amp's own room-filling practice platform. — goes in the amp's FX loop (or last, into a clean amp)
See all 9 pedals that pair with the Positive Grid Spark 40 →
Cheaper alternatives
Boutique & premium upgrades
Positive Grid Spark LIVE 4-Channel 150W 2x6.5 Modeling Combo
Positive Grid
70% similarity“Sits in the middle of Positive Grid's Spark lineup, between the compact Spark 2 and the larger Spark LIVE”
Fender Quad Reverb
Fender
87% similaritysimilar tone character
Blackstar Silverline 50
Blackstar
86% similaritysimilar tone character
AER Compact XL
amplifier
86% similaritysimilar tone character
Line 6 Duoverb HD 100-Watt
Line 6
85% similaritysimilar tone character
Similar charactersee all similar tone character →
Positive Grid Spark 2
Positive Grid
70% similarity“Positioned within a Spark lineup that scales up to the larger Spark 40 and Spark LIVE for players needing more volume than this compact model provides”
Yamaha THR30II Wireless
Yamaha
90% similaritysimilar tone character
Blackstar ID:Core Stereo 40 V4
Blackstar
86% similaritysimilar tone character
Blackstar Marco Mendoza
Blackstar
86% similaritysimilar tone character
BluGuitar Amp1
Bluguitar
85% similaritysimilar tone character
See all alternatives to the Positive Grid Spark 40 (cheaper + boutique) →
Questions people ask
What are good alternatives to the Positive Grid Spark 40?+
The closest matches in character are the Positive Grid Spark 2, the Yamaha THR30II Wireless, the Blackstar ID:Core Stereo 40 V4. Budget picks: Blackstar Idcore 40 V3, Blackstar ID:Core 40 V4. Boutique upgrades: Positive Grid Spark LIVE 4-Channel 150W 2x6.5 Modeling Combo, Fender Quad Reverb, Blackstar Silverline 50.
What pairs well with the Positive Grid Spark 40?+
Strong matches from rig and tone-complementarity evidence: Dallas Rangemaster Treble Booster, ProCo RAT 2, MXR Distortion+ — Into the Spark 40's room-filling, session-ready practice platform, the Rangemaster's germanium treble boost has a versatile amp voice to brighten..
How much does the Positive Grid Spark 40 cost?+
Around $252.44 (live listing price, updated Aug 26, 2026).