{"product_id":"twistura-beta","title":"Twistura Beta IEM — 11mm Glass Diaphragm Dynamic Driver, 3.5\/4.4mm Plugs","description":"\u003cp class=\"tp-summary\"\u003eThe Twistura Beta is a wired IEM with one 11mm dual-magnet, dual-cavity dynamic driver per side using a planar glass composite diaphragm, housed in a CNC aluminum shell with three swappable tuning nozzles and a 2-pin cable with 3.5mm and 4.4mm plugs. It suits single-driver fans who switch between phone dongles and balanced players.\u003c\/p\u003e\n\u003ch2\u003eWho the Twistura Beta is for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhone and dongle listening:\u003c\/strong\u003e Rated at 24Ω and 124dB\/Vrms, it suits low-power sources such as USB-C dongles and portable players.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced players and amps:\u003c\/strong\u003e The oxygen-free copper cable takes interchangeable 3.5mm single-ended and 4.4mm balanced plugs, so one cable covers both kinds of source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning tinkerers:\u003c\/strong\u003e Three swappable nozzles (Standard, Vocal and Instrumental) change the tuning without changing earphones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetail listeners:\u003c\/strong\u003e Twistura says the glass composite diaphragm's low damping and high rigidity give fast transients, rich vocals and clear treble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkip it if:\u003c\/strong\u003e You need a microphone or in-line remote for calls; the included cable has neither.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTwistura Beta key specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver:\u003c\/strong\u003e 11mm dual-magnet, dual-cavity dynamic driver (one per side)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm:\u003c\/strong\u003e Planar glass composite: micron-thin glass layer with a flexible PU surround\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 24Ω ±15% @1kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 124dB\/Vrms @1kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 8Hz–21kHz (IEC61094, free field); 20Hz–20kHz effective (IEC60318-4, -3dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD:\u003c\/strong\u003e ≤0.1% @1kHz, 94dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning:\u003c\/strong\u003e 3 swappable nozzles: Standard, Vocal, Instrumental\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable and plugs:\u003c\/strong\u003e Detachable oxygen-free copper cable, 0.78mm 2-pin; interchangeable 3.5mm single-ended and 4.4mm balanced plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShell:\u003c\/strong\u003e 5-axis CNC aerospace-grade aluminum alloy, silver finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e Earphones, cable, 3.5mm and 4.4mm plugs, 3 sets of ear tips (3 pairs each), 3 pairs of nozzles, carrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"tp-trust\"\u003eGenuine Twistura stock. Free shipping on every order, 45-day returns.\u003c\/p\u003e","brand":"Twistura","offers":[{"title":"Default Title","offer_id":46347725865095,"sku":"Twistura BETA","price":101.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/5833\/0247\/files\/8921997110.jpg?v=1793197341","url":"https:\/\/tonepier.com\/products\/twistura-beta","provider":"TonePier","version":"1.0","type":"link"}