GRS NRT50-8 Woofer

The GRS NRT50-8 Woofer is a meticulously engineered mid-band subwoofer designed to deliver controlled, precise low-frequency reproduction in compact enclosures. As part of the reputable GRS brand, this 50.8 mm driver excels in applications where space is at a premium but audio quality cannot be compromised. It is ideally suited for use in small bookshelf speakers, custom automotive audio installations, or as a dedicated mid-bass unit in multi-way systems, providing a clean and articulate foundation to any soundstage.

Technically, the NRT50-8 boasts a total Q factor (Qts) of 1.21, indicating a well-damped response that integrates seamlessly into sealed or ported enclosures. With a linear excursion (Xmax) of 2.5 mm and a displacement volume (Vd) of 22.3, it moves sufficient air for impactful yet controlled bass. The 8-ohm impedance and 6.2-ohm DC resistance ensure compatibility with a wide range of amplifiers, while a sensitivity of 79.9 dB (SPL 1m/2.83V) and low voice coil inductance (Le) of 0.12 mH contribute to efficient, distortion-free performance. The woofer features a 47 mm cutout diameter and four mounting holes for straightforward installation. Whether upgrading a home audio system or building a custom project, this subwoofer offers reliable, high-fidelity mid-bass reproduction in a compact form factor.