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The SR-221.3, showcased at ISE 2026, features dual 21-inch drivers, four 10-inch carbon-fiber midrange drivers, and a 5-inch ring-radiator compression driver.
This full-range loudspeaker achieves a remarkable 27 Hz–20 kHz frequency response and offers up to ~140 dB SPL with a 170° × 60° coverage pattern.
Theory Professional's SR Series includes eight models, available as passive, active, portable, and install variants, in compact cabinets.
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* Queen will release a 5CD+2LP super deluxe Queen II box set on 27 March 2026 via EMI, expanding the original 1974 album extensively.

* Audio Research I/55 is a compact tube integrated amplifier derived from I/70, succeeding I/50, targeting high-end listeners seeking classic tube sound with m…

* ToxFreeLife tested 81 headphone models from brands including Sony, Apple, JBL, Bose, Samsung, and Temu across European retail and online marketplaces.

* Audio-Technica launches the ATH-CKD7NC USB-C wired earphones on February 27, featuring hybrid noise cancelling and priced at ¥9,680 via direct sales.