{"product_id":"boss-ex-4-effects-expander","title":"Boss EX-4 Effects Expander","description":"\u003cp\u003eBoss just put 120 of its own effects engines into one pedalboard-friendly box — the EX-4 Effects Expander is built to slot into the board you already love and fill in whatever it's missing. Run up to four effects at once, in any order — even stack the same effect twice — with a color display and four color-coded buttons for fast, stompbox-style control.\u003c\/p\u003e\n\u003cp\u003eAlongside drives, distortions, modulation, delay, reverb, and deep cuts like the Slicer and SG-1 Slow Gear, the EX-4 carries dedicated utility blocks — foot volume, two noise suppressors, a send\/return loop for your existing pedals, and a divider\/mixer — that can drop in anywhere in the chain. 128 preset memories plus 128 user slots, global EQ, mono\/stereo I\/O, TRS MIDI, and an external expression\/control input round it out.\u003c\/p\u003e\n\u003cp\u003eOn pre-order now — shipping October 2026. Be first on the wall for Boss's newest pedal.\u003c\/p\u003e\n\u003cp\u003eHighlights:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e120 premium Boss effects — overdrives, distortions, modulation, delays, reverbs, Slow Gear, Slicer\u003c\/li\u003e\n\u003cli\u003eUp to 4 effects at once, in any order — including multiple instances of the same effect\u003c\/li\u003e\n\u003cli\u003eUtility blocks: foot volume, two noise suppressors, send\/return loop, divider\/mixer\u003c\/li\u003e\n\u003cli\u003e2.4 inch color display, intuitive knobs, four color-coded FX buttons, dual footswitches with color LEDs\u003c\/li\u003e\n\u003cli\u003eIndependent global EQ for overall sound shaping\u003c\/li\u003e\n\u003cli\u003eGear Suite starting points — configure each effect with the turn of a knob\u003c\/li\u003e\n\u003cli\u003eVersatile mono\/stereo I\/O, flexible effects loop for external pedals, space-saving TRS MIDI\u003c\/li\u003e\n\u003cli\u003eManual and Memory modes: stompbox-style or preset-based control\u003c\/li\u003e\n\u003cli\u003e128 preset memories for guitar and bass + 128 user memories\u003c\/li\u003e\n\u003cli\u003eAdvanced series, parallel, and wet\/dry routing; delay\/reverb carryover on memory changes\u003c\/li\u003e\n\u003cli\u003eExpression\/CTL input for external pedals or switches\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Boss","offers":[{"title":"Default Title","offer_id":67725779206394,"sku":"EX-4","price":459.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2567\/8158\/files\/boss-ex-4-effects-expander.jpg?v=1791933518","url":"https:\/\/maarsmusic.com\/products\/boss-ex-4-effects-expander","provider":"Maar’s Music","version":"1.0","type":"link"}