Delivers 40 watts through twin 4" speakers

Though it won't fill an arena, the Positive Grid Spark easily packs enough power for practices and jams around the house. Its stereo 4" hi-speakers are deceptively full sounding. So whether you're playing clean funk bass or drop-tuned metal guitar, you get a nice, round low end and great definition right out of the box. Of course, you've also got an auxiliary output and USB port for more direct modes of amplification. We at Sweetwater have found the stereo speakers even hold up favorably to close-miking, so even in a traditional club with a couple of mics onstage, the Spark is the only tool you're going to need.

Loaded with over 10,000 presets

One of the Spark's most appealing features has to be its tone presets. In our tests, it was ultra-quick to dial just about any tone we were feeling, from compressed country cleans to fire-breathing metal gains. App-based browsing and voice control make it relatively easy to dial in the tone you're searching for — speaking commands like "Plexi," "Kerry King," or "blues" into your paired mobile device gets you a curated selection of tones to choose from — and in our experience, they provide a great launching point.

A breakthrough way to practice, track, and learn music

A powerful playback system and a vast library of sounds is just half of what sets the Positive Grid Spark apart. Through the app, you'll find countless ways to round out your music-making journey.

• Live backing tracks — Crank out a chord progression, and the Spark app will automatically accompany you with a bass guitar and drums. You don't even need to set a key or tempo — just strum and go.
• Multitrack recording — Got a riff you want to preserve or flesh out for further working? Connect the Spark amp to a computer via USB and fire up the included PreSonus Studio One Prime software, and you're all set to layer guitar and bass tracks by the dozen if you so desire.
• Chord recognition — Import songs from your Apple Music library, YouTube, or Spotify, and the Spark app feeds you a chord chart on the fly. It's the ultimate fakebook!
• Riff training — Having trouble tracking that "Spanish Fly" intro run at concert tempo? The Spark app lets you slow down songs and take them at your pace until you can work up to full speed.

Positive Grid Spark 40W Combo Guitar Amplifier Features:

• Limited-edition combo amp
• A breakthrough way to jam, track, practice, and learn songs
• Pairs to the powerful Spark App (iOS/Android) via Bluetooth for greater control
• Over 10,000+ Tone Engine presets for electric guitar, acoustic guitar, and bass
• Delivers a bedroom-filling 40 watts through twin 4" ported hi-fi speakers
• Hands-on controls for traditional tone dialing
• Voice commands: "play me a blues track" or "get me Slash's tone"
• Intelligently tracks guitar progressions for live bass/drums accompaniment
• Creates chord charts from songs imported via YouTube, Spotify, and your own Apple Music library
• USB connection for direct recording — includes PreSonus Studio One Prime DAW
• 1/8" TRS headphone jack for silent practice or live output
• 1/8" auxiliary in for wiring in backing tracks from your phone

Tech Specs

• Type:Solid State Stereo
• Number of Channels:4 x Programmable Presets
• Total Power:40W Class D
• Speaker Size:2 x 4" Custom Speakers, Bass Reflex Port
• Reverb:Yes
• Effects:40 x Built-in FX: Distortion, Modulation, Delay, Compressor, Noise Gate and more ; Spark App FX expansion
• Amp Modeling:30 x Amp Models, Spark App preset expansion
• EQ:3-band EQ
• Inputs:1 x 1/4" (guitar/bass/acoustic), 1 x 1/8" (aux in)
• USB:1 x Type B
• Bluetooth:Yes
• Headphones:1 x 1/8"
• Features:Tuner, Tap Delay
• Computer Connectivity:USB (1 x 2)
• Software:Spark App (iOS/Android)
• Construction Material:Pearl Textured Vinyl
• Power Source:19V DC power supply (included)
• Height:7.48"
• Width:13.78"
• Depth:7.08"
• Weight:11.46 lbs.
• Manufacturer Part Number:Spark Pearl