--- product_id: 241798141 title: "Spark 40-Watt Combo Practice Guitar Amplifier Electric Bass and Acoustic Guitar Amp with Spark Mobile App" brand: "positive grid" price: "$777.70" currency: USD in_stock: true reviews_count: 6 url: https://www.desertcart.us/products/241798141-spark-40-watt-combo-practice-guitar-amplifier-electric-bass-acoustic store_origin: US region: United States of America --- # 40 Watts of pure power 50,000+ amp & FX presets on ToneCloud Smart Jam & real-time chord display Spark 40-Watt Combo Practice Guitar Amplifier Electric Bass and Acoustic Guitar Amp with Spark Mobile App **Brand:** positive grid **Price:** $777.70 **Availability:** ✅ In Stock ## Summary > 🎶 Spark Your Sound, Ignite Your Stage! ## Quick Answers - **What is this?** Spark 40-Watt Combo Practice Guitar Amplifier Electric Bass and Acoustic Guitar Amp with Spark Mobile App by positive grid - **How much does it cost?** $777.70 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/241798141-spark-40-watt-combo-practice-guitar-amplifier-electric-bass-acoustic) ## Best For - positive grid enthusiasts ## Why This Product - Trusted positive grid brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Jam Smarter, Not Harder:** Smart Jam AI crafts authentic bass & drum backing tailored to your style—never practice alone again. - • **Instant Chord Recognition:** Import tracks from Spotify, Apple Music, or YouTube and watch chords appear live on your app—perfect for learning and jamming. - • **Endless Tone Possibilities:** Access 50,000+ amp and effects presets via ToneCloud, powered by industry-leading BIAS virtual tube tech. - • **Studio-Ready USB Interface:** Seamlessly record your riffs and ideas with any DAW using Spark’s USB audio interface—your portable studio companion. - • **Pro-Level Control & Effects:** 40W combo amp with onboard tone stack, built-in tuner, tap tempo, and versatile effects to shape your signature sound. ## Overview The Positive Grid Spark 40-Watt Combo Amp is a cutting-edge practice amplifier designed for electric, bass, and acoustic guitars. Featuring AI-powered Smart Jam for personalized backing tracks, access to over 50,000 amp and effects presets via ToneCloud, and real-time chord display from popular streaming services, it combines powerful 40W output with pro-grade tone controls and USB recording capabilities. Compact and versatile, it’s the ultimate amp for the modern musician seeking inspiration and studio-quality sound at home or on the go. ## Description Full description not available ## Features - Smart Jam learns your style and feel, generating authentic bass and drums to accompany you. - Access to 50,000+ amp-and-FX presets on ToneCloud, powered by PositiveGrid’s BIAS realistic virtual tube amps and effects for Guitar, Acoustic or Bass. - Import your music from Spotify, Apple Music or YouTube and Spark’s smart app will auto display the guitar chords in real time. - Powerhouse 40 Watt combo includes onboard tone stack controls, effects, tone starter preset programs, a built-in tuner, tap tempo and more. - Use Spark as your USB audio interface and track your ideas with any recording software. ## Technical Specifications | Specification | Value | |---------------|-------| | Product Dimensions | 19 x 35 x 18 cm; 6.89 kg | | Item model number | 855316004477 | | Colour | Spark Black | | Compatible Devices | Double Bass, Guitar | | Connector | USB | | Material Type | Black Textured Vinyl, Pearl Textured Vinyl | | Output Wattage | 40 Watts | | Size | 40 Watt | | Power Source | Corded Electric | | Voltage | 40 Volts | | Item Weight | 6.89 kg | ## Product Details - **Brand:** Positive Grid - **Colour:** Spark Black - **Compatible devices:** Double Bass, Guitar - **Material:** Paper, Aluminum - **Output wattage:** 40 Watts ## Images ![Spark 40-Watt Combo Practice Guitar Amplifier Electric Bass and Acoustic Guitar Amp with Spark Mobile App - Image 1](https://m.media-amazon.com/images/I/71pLmQ+CtfL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Awesome *by L***Y on 5 July 2025* An absolute Godsend for the bedroom/home office guitarist. Years ago, as a 21 year old, I toyed with the idea of buying a 50w Marshall JCM2000 DSL50 head and a 4x4 cabinet, intent as I was on becoming the next bonafide Irish rockstar. That, and as they were back then, an American Standard Fender Telecaster in white with a maple fretboard.As life went on, reality took over. Now I am a very happily married 42 year old with a family.However, finances, neighbours, time, work, and a back that isn’t getting any younger simply means that owning said Marshall halfstack is as realistic as having a Bugatti as a daily driver.Is the Spark 40 as good as a valve amp? No, clearly not. But it won’t need re-valved and re-biased either.Are the effects going to compete with my own pedalboard that has been fine tuned over three decades? No, but the app works really well and lets you experiment with different types of the same effects.But does it provide good, consistent, and decent sound at home levels with a convenient way to add some well replicated digital approximations of pedals like the Tubescreamer and EHX Muff? 100%.***And - let this sink in - all for less than the price of a boutique effect pedal!***Ever wonder what’s the difference between an analog delay and a digital delay? Or a Klon and Tubscreamer? This gives you an idea, along with the ability to swap between MesaBoogie, Matchless, Vox, and Plexi amp types.An incredible achievement and one that 12 year old me could only have dreamed about when I was wondering why my little solid state Honer Panther amp didn’t sound anything like what I was hearing on Appetite for Destruction.And the fact that you can use it for acoustic and bass guitars is a big plus.I would imagine that, in the right live scenario, the majority of folks in an audience wouldn’t be able to differentiate between this and a valve combo if they were mic’d up correctly. ### ⭐⭐⭐⭐⭐ Fantastic amp! *by T***N on 25 November 2024* I’m a bass player and was looking for a small ish amp to replace an aging Fender Rumble 15 for home use. I had tried various others & alway returned them because their reviews didn’t stack up to what was delivered.The Positive Grid Spark on the other hand delivered right out of the box. It’s a little bit bigger than I expected but that’s ok. I plugged it in, put in my wireless system (not Positive Grid), switched on, selected bass & zero effects, I wanted to try it “clean” and away I went, awesome!Don’t bother with other brands that promise hundreds of effects, just buy this, it really does work! A great buy, especially with the Black Friday discount. When my low cost (Chinese) wireless system packs in, I’ll buy the Positive Grid system but it’s very good at the moment. ### ⭐⭐⭐⭐⭐ Still the one to beat for vfm *by D***O on 31 March 2025* OK it's not a tube amp. But for the price its modelling features and tonal possibilities are absolutely amazing. The speakers are a bit brassy. But I've been pairing it up with some decent headphones for some silent practice sessions. Top notch vfm. ## Frequently Bought Together - Positive Grid Spark 40-Watt Combo Practice Guitar Amplifier Electric Bass and Acoustic Guitar Amp with Spark Mobile App - Fender Professional Series Instrument Cable, Guitar Cable 10 ft, Guitar Accessories, Stage Ready with Anti-Kinking Design, Black - Fender Premium Picks Sampler - 12 Pack Includes Thin, Medium & Heavy Gauges (Austin Bazaar Exclusive) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/241798141-spark-40-watt-combo-practice-guitar-amplifier-electric-bass-acoustic](https://www.desertcart.us/products/241798141-spark-40-watt-combo-practice-guitar-amplifier-electric-bass-acoustic) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-19*