{"product_id":"atelier-z-beta4-custom-natural-black-line","title":"Atelier Z Beta4 Custom 4-String Bass – Natural \/ Black Line – Hand-Built in Japan","description":"\u003cp\u003e\u003cstrong\u003eNew at RockSo Music — this bass will be on display at Guitar Summit 2026 in Mannheim, September 25–27.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModern Playability. Versatile Tone. Distinctive Custom Finish.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Beta4 Custom combines Atelier Z’s modern 4-string design with performance-focused playability and flexible active electronics. This special custom model features a Natural finish with Black Line detailing and black hardware, giving the classic ash body a distinctive contemporary look.\u003c\/p\u003e\n\u003cp\u003eBuilt with a 2-piece Ash body and Maple neck with Maple fingerboard, the Beta4 features 24 frets for extended access across the full range of the instrument. Its modern construction provides a responsive, comfortable platform for a wide variety of playing styles.\u003c\/p\u003e\n\u003cp\u003eAt its core is the \u003cstrong\u003eAtelier Z AZ-3B 3-band preamp\u003c\/strong\u003e, offering active control over bass, mid and treble frequencies. Combined with the Atelier Z JZ-4 pickups, it provides flexible tone shaping while retaining clarity and definition.\u003c\/p\u003e\n\u003cp\u003eHand-built in Japan, the Beta4 Custom is equipped with Gotoh GB528 tuners and the Atelier Z BB419 bridge, combining professional hardware with the distinctive specifications of this custom model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHand-built in Japan\u003c\/li\u003e\n\u003cli\u003e34\" scale\u003c\/li\u003e\n\u003cli\u003e4-string configuration\u003c\/li\u003e\n\u003cli\u003eMaple neck \/ Maple fingerboard, 24 frets\u003c\/li\u003e\n\u003cli\u003eAsh 2-piece body\u003c\/li\u003e\n\u003cli\u003eAtelier Z JZ-4 pickups\u003c\/li\u003e\n\u003cli\u003eAtelier Z AZ-3B 3-band preamp\u003c\/li\u003e\n\u003cli\u003eGotoh GB528 tuners\u003c\/li\u003e\n\u003cli\u003eAtelier Z BB419 bridge\u003c\/li\u003e\n\u003cli\u003eRemovable finger ramp included\u003c\/li\u003e\n\u003cli\u003eControls: Master Volume, Balancer, Master Tone (switch), Mid, Treble \/ Bass\u003c\/li\u003e\n\u003cli\u003eColor: Natural \/ Black Line\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlack hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEvery Atelier Z bass at RockSo Music is:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarefully inspected\u003c\/li\u003e\n\u003cli\u003eProfessionally set up\u003c\/li\u003e\n\u003cli\u003eAvailable to try in-store in Sittard\u003c\/li\u003e\n\u003cli\u003eBacked by personal service and long-term support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWorldwide shipping available. Comes in Atelier Z original deluxe gig bag.\u003cbr\u003eFor customers outside the EU, import duties and taxes (if applicable) are the buyer’s responsibility.\u003c\/p\u003e","brand":"Atelier Z","offers":[{"title":"Default Title","offer_id":57309303341380,"sku":null,"price":2899.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6486\/7652\/files\/atelier-z-beta-4-natural-sumi-body.jpg?v=1790083917","url":"https:\/\/www.rocksomusic.nl\/en\/products\/atelier-z-beta4-custom-natural-black-line","provider":"RockSo Music","version":"1.0","type":"link"}