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DRIVER = 1 Way (12″)IMPEDANCE = 4ΩPOWER SUBWOOFER = 250 WFREQUENCY RESPONSE = 20 Hz – 200 Hz ± 3 dBDIMENSI = 60 cm X 39 cm X 51 cmBERAT = 31,75 KgMADE IN = DENMARKFully tested in excellent condition Comes with power cord and monster RCA cable
Asking Price Assessment
At USD $450 for a 1990s M&K Sound MX250, you're looking at a fair to slightly optimistic ask depending on condition. The MX250 is a solid performer—dual 12-inch drivers, 250W amplifier, and M&K's Headroom Maximizer IV circuit that handles dynamic peaks without audible clipping. Used examples in decent shape typically move in the USD $350–$500 range, so this sits at the higher end of realistic. If the unit is cosmetically clean and fully functional with all cables, it's defensible; if there's any cosmetic wear or missing accessories, negotiate down by USD $50–$100.
Before committing, verify the amplifier powers up cleanly and the drivers move freely without rattles or cone damage—age-related capacitor degradation in the amp is the main failure point on 90s gear. Confirm the low-pass crossover and level controls respond smoothly, and ask the seller whether it's been serviced or recapped. Get confirmation that the auto-on sensing circuit still works reliably; some units from that era develop intermittent standby issues. Piano black finish shows dust and fingerprints aggressively, so inspect for deep scratches or lifting veneer before pickup.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
M&K Sound was founded in 1973 in Beverly Hills, California, when Walter Becker of Steely Dan commissioned recording engineer Ken Kreisel and audio entrepreneur Jonas Miller to design a studio reference subwoofer and monitoring system for the Pretzel Logic album. The resulting world's first balanced dual-drive subwoofer became the sonic foundation for a million-selling Top Ten hit, establishing M&K's reputation from inception. The company pioneered numerous industry firsts, including the satellite-subwoofer system, the first self-powered subwoofer, and the first THX-approved single-cabinet subwoofer, drawing on rigorous acoustical research and live recording expertise.
M&K Sound specializes in high-performance loudspeakers and subwoofers, positioning themselves as professional studio monitors and premium home theater solutions. Their product line centers on powered subwoofers and satellite speaker systems designed for accurate sound reproduction across music and film applications. The company's engineering foundation combines scientific methodology with critical listening disciplines, informed by the acoustical research of Dr. Lester Field, a former Bell Telephone scientist and professor at Caltech and Stanford.
M&K Sound occupies the high-end professional and prosumer market segment, with a heritage rooted in studio and mastering applications. Academy Award-winning films including Lord of the Rings, Wall-E, and The Incredibles were mixed and edited on M&K speakers, while the brand has equipped leading recording studios and private installations for industry professionals. This positioning reflects M&K's status as a choice for discerning listeners and professionals who prioritize accuracy and sonic integrity over mass-market appeal.
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