Speakers featuring Sonarion Diaphragms, GlaXfi “BSP-24” Launched in Japan

The GlaXfi “BSP-24” speaker, featuring the Sonarion™ diaphragm jointly developed by Nippon Electric Glass Co., Ltd. (Headquarters: Otsu, Shiga, Japan; President: Akira Kishimoto; "NEG") and GAIT, a Taiwanese glass processing manufacturer, has been gone on sale in Japan.
GAIT handles the entire process for this product, from diaphragm forming to unit design, manufacturing, and sales. The Sonarion™ diaphragm also received the “Technical Special Award” at the 41st HiVi Grand Prix 2025.

The GlaXfi “BSP-24” features Sonarion™ diaphragms in both the tweeter and woofer. It delivers clear high frequencies through a tweeter with a thickness of approximately 50 μm, and powerful yet delicate mid- to low-frequency sound through a 6.5-inch woofer.

• Product name: GlaXfi BSP-24
• Type: 2-way, 2-speaker Bass Reflex
• Units: 25 mm dome-type tweeter; 165 mm cone-type woofer
• Sensitivity: 87 dB/W/m
• Crossover frequency: 2.4 kHz
• Impedance: 4 Ω
• Dimensions / Weight: W220 × H390 × D300 mm / 10.7 kg
• Finish: Walnut
• Price: JPY 390,000 per pair (tax and shipping included)
• Sales site: Amazon
^{*For inquiries regarding the product, please contact GAIT.}

Sonarion™ is an ultra-thin glass specifically developed for speaker diaphragms, the core component of acoustic devices. NEG jointly developed glass diaphragms using Sonarion™ with GAIT (Glass Acoustic Innovations Co., Ltd.), a company with advanced precision 3D glass processing technology. By applying three-dimensional forming and a proprietary chemical strengthening process to specially developed glass, the diaphragms achieve the properties required for acoustic materials.

NEG will exhibit this product at “OTOTEN 2026,” one of Japan’s largest audio events. Visitors will be able to experience demonstrations of the GlaXfi “BSP-24.”
• Exhibition name: OTOTEN 2026
• Period: June 19 (Fri) – June 21 (Sun), 2026 *June 19 is Premium Day
• Venue: Tokyo International Forum
• Booth: Lobby Gallery, B1F of the Glass Building
• Pre-registration: https://www.jas-audio.or.jp/audiofair/pre-registration

[Related Articles on Our Website]
• Ultra-thin Glass Diaphragms, the Key to Next-Generation Quality Sound
• NEG and GAIT's Ultra-thin Glass Diaphragm Won the "Technical Special Award" at the 41st HiVi Grand Prix

GAIT is the world's only glass processing company capable of precise 3D processing of Ultra-thin Glass, and the investor of glass diaphragm technology. Founded in 2020, this startup is headquartered in Taipei, Taiwan. In April 2024, GAIT entered a strategic partnership with NEG to jointly advance the development, manufacturing, and market deployment of Ultra-thin Glass diaphragms for the audio industry.

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