SEAS Prestige MR18REX/XF - H1699-08/06 7" Coaxial Woofer

The SEAS Prestige MR18REX/XF - H1699-08/06 is a 7-inch coaxial woofer that delivers exceptional sound quality in a space-saving design. As part of the renowned SEAS Prestige series, this driver combines a dedicated woofer and a built-in tweeter in a single chassis, making it an ideal choice for car audio enthusiasts seeking a high-fidelity upgrade without the complexity of separate component installation. Its compact footprint allows for straightforward integration into factory locations or custom enclosures, perfect for doors, rear decks, or small subwoofer systems where space is at a premium.

Technically, the MR18REX/XF features a nominal diameter of 177.8 mm and a depth of just 93.7 mm, with a cut-out diameter of 145.3 mm and a six-hole mounting pattern on a 166.1 mm bolt circle. The woofer offers a total Q factor (Qts) of 0.69, balancing mechanical and electromagnetic damping for versatile sealed or ported enclosure designs. With a sensitivity of 89 dB (SPL at 1m/2.83V) and a DC resistance of 6.2 ohms, it pairs efficiently with moderate amplifier power. The voice coil inductance is a low 0.43 mH, while the maximum linear excursion (Xmax) reaches 3 mm, ensuring controlled bass response. This coaxial driver is a superb choice for audiophiles who value both performance and simplicity in their mobile sound system.