HiVi B4N 4" Aluminum Midbass Round Frame

The HiVi B4N 4-inch aluminium midbass driver is a compact yet powerful component designed to elevate your audio system with exceptional clarity and control. Engineered for discerning listeners, this round frame driver delivers a refined balance of detailed midrange and punchy bass, making it an ideal choice for high-fidelity sound reproduction in a variety of settings.

This versatile driver excels in applications such as two-way or three-way speaker designs, car audio upgrades, and custom home theatre installations. Its compact 4-inch form factor allows for seamless integration into bookshelf speakers, centre channels, or satellite enclosures where space is at a premium, yet performance cannot be compromised. Whether you are building a dedicated stereo pair or enhancing an existing multi-channel setup, the B4N provides the precision and authority needed for vocals, instruments, and low-frequency effects.

At the heart of the B4N lies an aluminium/magnesium cone membrane, renowned for its stiffness and low mass, which ensures accurate transient response and reduced distortion. With a sensitivity of 85 dB SPL at 1m/2.83V and a total Q factor (Qts) of 0.52, this driver offers a well-damped character suitable for sealed or ported enclosures. The 3.2 mm linear excursion (Xmax) supports dynamic bass output, while the 6.5 ohm DC resistance facilitates straightforward system matching. Robust construction includes a 94 mm cut-out diameter and four mounting holes on a 108 mm bolt circle, with a depth of 71.6 mm for easy installation.

The HiVi B4N delivers professional-grade midbass performance in a compact, reliable package, making it a superb choice for audio enthusiasts seeking to refine their sound system.