--- product_id: 267402118 title: "B1X Four Bass Multi-Effects Processor With Expression Pedal, With 70+ Built-In Effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered" brand: "zoom" price: "€ 192.05" currency: EUR in_stock: true reviews_count: 7 category: "Zoom" url: https://www.desertcart.pt/products/267402118-b1x-four-bass-multi-effects-processor-with-expression-pedal-70 store_origin: PT region: Portugal --- # 9 versatile amp models Battery powered for ultimate portability 71 pro-grade bass effects B1X Four Bass Multi-Effects Processor With Expression Pedal, With 70+ Built-In Effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered **Brand:** zoom **Price:** € 192.05 **Availability:** ✅ In Stock ## Summary > 🎸 Elevate your bass game—because your sound deserves to be legendary. ## Quick Answers - **What is this?** B1X Four Bass Multi-Effects Processor With Expression Pedal, With 70+ Built-In Effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered by zoom - **How much does it cost?** € 192.05 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/267402118-b1x-four-bass-multi-effects-processor-with-expression-pedal-70) ## Best For - zoom enthusiasts ## Why This Product - Trusted zoom brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Loop Like a Pro:** 30-second looper empowers you to build complex layers on the fly—perfect for practice or live performance. - • **Stay in the Groove:** 68 built-in rhythm patterns keep your timing tight and your creativity flowing. - • **Plug & Play Anywhere:** Battery-powered design with standard guitar and aux inputs plus headphone output means you’re ready to rock anytime, anywhere. - • **Unleash Your Signature Sound:** Over 70 built-in effects and 9 amp models let you craft tones that stand out in any jam or gig. - • **Seamless Software Integration:** Free Zoom Guitar Lab software for Mac/Windows lets you customize and update your pedal effortlessly. ## Overview The Zoom B1X FOUR is a compact, battery-powered bass multi-effects processor featuring 71 built-in effects, 9 amp models, a 30-second looper, and 68 rhythm patterns. With versatile input/output options and free software integration, it’s designed for bassists seeking professional-grade tone shaping and on-the-go creativity. ## Description Zoom bass multi-effects pedal B1X FOUR. Review: Perfect - So nice Review: Less Variety - Sound option wasn't that good. ## Features - 71 built-in bass effects and 9 amp models - Free download of Zoom guitar lab Mac/Windows software - 30-Second looper - 68 built-in rhythm patterns - Standard Guitar input, aux input for external audio players and amp/headphone output ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07MZQNKYQ | | Amperage | 9 Amps | | Audio Output Effects | Reverb, Chorus, Delay, Amp Modeling | | Brand | Zoom | | Brand Name | Zoom | | Color | Red | | Colour | Red | | Connector Type | 1/4 inch (6.35mm) jack | | Controls Type | Joystick | | Country of Origin | China | | Customer Reviews | 4.6 out of 5 stars 1,186 Reviews | | Global Trade Identification Number | 00884354020705 | | Hardware Interface | USB | | Item Dimensions | 15.7 x 21.6 x 5.1 centimeters | | Item Dimensions L x W x H | 21.6L x 15.6W x 5.2H centimeters | | Item Type Name | Bass Multi-Effects Pedal | | Item Weight | 1.84 Pounds | | Item weight | 1.84 Pounds | | Manufacturer | Zoom | | Manufacturer Part Number | B1X FOUR | | Model Name | B1X FOUR | | Model Number | B1X FOUR | | Power Source | Battery Powered | | Product dimensions | 21.6L x 15.6W x 5.2H centimeters | | Signal Format | Analog | | Style | B1X FOUR | | UPC | 884354020705 | | Unit Count | 1 Count | | Voltage | 9 Volts | ## Product Details - **Brand:** Zoom - **Colour:** Red - **Item weight:** 835 g - **Product dimensions:** 21.6L x 15.6W x 5.2H centimeters - **Style:** B1X FOUR ## Images ![B1X Four Bass Multi-Effects Processor With Expression Pedal, With 70+ Built-In Effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered - Image 1](https://m.media-amazon.com/images/I/81cA-alqJnL.jpg) ## Questions & Answers **Q: trying to decide which one to get... what exactly does the expression pedal do?** A: The expression pedal offers several functions. Yes, it can adjust volume or be used as a wah but it can also adjust intensity of effects. It's nice to be able to adjust the amount of overdrive or phaser, etc.., for example, with your foot. You can use it to adjust the pitch when using that effect. **Q: Can i use it with an ukulele because i'm a bass and ukulele player. Also can we connect it to an audio digital interface like focusright Scarlett?** A: Yes you can connect it to focusrite interface, I don’t know for sure if a ukulele will work with the bass processor since if mainly for the bass guitar. **Q: Unit won't stay powered on for more than a second when under battery power, second one I ordered with same problem, purchased end of August 22.** A: Use the android plug, it works great for hours, don't drop anything on it, falls, or spills she's easy to bust **Q: How do you get the device that you plug in to play music through Zoom(such as phone) to play in stereo? I can only get mine to play mono.** A: You must be plugging your phone in with a mono cord, I would try a different aux cable. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect *by E***G on 20 April 2025* So nice ### ⭐⭐⭐⭐⭐ Less Variety *by J***Y on 14 September 2023* Sound option wasn't that good. ### ⭐⭐⭐⭐⭐ best processor with a good price *by N***A on 21 September 2025* great processor, better if you got an active bass, eats alot of battery though, i use duracell ultras for this processor and it runs out after few practice sessions, however there's an option to plug in a type b cable to make it work, so its ok. ## Frequently Bought Together - Zoom Guitar MultiEffects Processor with Expression Pedal - D'Addario Accessories Guitar Pedal Power Supply - DC 9V Power Cord - 9V Power Supply for Guitar Pedals - Pedalboard Power Supply - PW-CT-9V - New Bee 10 ft Guitar Cable - Electric Instrument Cable for Bass, Guitar, Mandolin, Pro Audio - Straight to Straight - Black --- ## 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.pt/products/267402118-b1x-four-bass-multi-effects-processor-with-expression-pedal-70](https://www.desertcart.pt/products/267402118-b1x-four-bass-multi-effects-processor-with-expression-pedal-70) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-07-13*