{"product_id":"acus-40w-one-forstrings-4-ferdi-black","title":"Acus 40W One Forstrings 4 Ferdi Black","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAcus One Forstrings 4 Ferdi in Black – Compact Acoustic Amplifier.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eElevate your acoustic performances with the Acus One Forstrings 4 Ferdi Black, the entry-level model in Acus's acclaimed Ferdi family. This ultra-portable amplifier is designed for acoustic guitars, classical instruments, and vocals, delivering crystal-clear, natural sound without coloration—true to Acus's Italian engineering heritage.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3 dir=\"auto\"\u003e\u003c\/h3\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features:\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerful Yet Portable Output\u003c\/strong\u003e: 40W (with included power adapter) or 15W via USB-C power bank for true mobility. Bi-amped two-way system with a 4\" woofer (30W) and 0.7\" dome tweeter (10W) for rich lows and sparkling highs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Connectivity\u003c\/strong\u003e: One shared channel with a TRS line input (for instruments) and XLR mic input, plus Bluetooth audio input and TRRS audio in\/out—perfect for live streaming, home recording, or jamming on the go.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntuitive Controls\u003c\/strong\u003e: Independent volume for inputs, 2-band EQ (high \u0026amp; low), adjustable reverb effect, and master volume for quick, precise sound shaping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Build\u003c\/strong\u003e: Handcrafted from birch plywood in a sleek \u003cstrong\u003eBlack Wood\u003c\/strong\u003e finish. Bass reflex housing ensures impressive projection in a compact form.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eSpecs at a Glance:\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e: 70 Hz – 20 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax SPL\u003c\/strong\u003e: 96 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity\u003c\/strong\u003e: 82 dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e: Approx. 6.02\" x 10.00\" x 4.84\" (153 x 254 x 123 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: Just 5.29 lb (2.4 kg) — incredibly easy to carry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower\u003c\/strong\u003e: External 24V DC adapter (included) or standard 5V power bank via USB-C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eWhether you're practicing in the studio, busking on the street, or performing intimate gigs, the One Forstrings 4 Ferdi Black offers professional-grade acoustic amplification in a lightweight, road-ready package. Its natural tone reproduction brings out the best in your instrument and voice, making it a favorite for singer-songwriters, classical players, and mobile musicians.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e","brand":"Acus","offers":[{"title":"Default Title","offer_id":52593255481656,"sku":null,"price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/8834\/3096\/files\/one-forstrings-4-ferdi-4.jpg?v=1782936540","url":"https:\/\/treeboneguitars.com\/products\/acus-40w-one-forstrings-4-ferdi-black","provider":"Tree Bone Guitars","version":"1.0","type":"link"}