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The Klipsch SW-15 is a vintage high-performance powered subwoofer (introduced 1993–1994) featuring a 15-inch active woofer, a 15-inch rear passive radiator, and a 200-watt amplifier. Known as a "beast" for home theater, it is noted for high-output bass and versatility.It is in Excellent condition, with just very minor signs of its age, no blemishes or issues with the cones.Design: 15" Active Driver + 15" Passive RadiatorAmplifier Power: 200 Watts RMS / 250+ Watts Dynamic HeadroomFrequency Response: 27Hz - 120HzInputs: Line Level (RCA), Speaker LevelVariable Low Pass Crossover: 40Hz - 120Hz, 24dB/OctaveDimensions: Approximately 21.5" H x 18.6" W x 24.5" DWeight: ~85 lbs Service History: No service records were included from the prior owner. Here at the shop we did routine testing, cleaning and inspection.Cosmetic Condition: Overall we rated this at Excellent.In the Milwaukee Area? Stop in our shop to inspect/demoSee our feedback and thank you for considering. All the gear we sell is packaged with great care for safe arrival in the condition advertised.
At USD350, this vintage Klipsch SW-15 strikes me as a fair ask for a 1990s passive-radiator beast with its 15" woofer and 250-watt amp—comparable good-condition SW-15ii units on enthusiast markets hover in the USD300-500 range, depending on cosmetics and functionality. It's no steal, but not ambitious either if it's structurally sound and pounding bass like it should.
Before biting, verify the amp's health with a solid test signal—those old Class AB units can blow output transistors from heat or surges, and recap might be due after 30 years. Also check the passive radiator for tears or delamination, as repairs are common and can leak air if botched; power cord and any grilles should be included.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Founded in 1946 in Hope, Arkansas, Klipsch traces its roots to Paul W. Klipsch, a visionary audio engineer and maverick who handcrafted his first speakers in a tin shed behind a dry cleaner. Patented in 1945, the revolutionary Klipschorn corner horn loudspeaker embodied his quest for live-like sound reproduction, drawing from Bell Labs principles to deliver wide frequency range and expansive soundstaging. This American pioneer shook hi-fi foundations, blending acoustic innovation with unyielding craftsmanship, and registered Klipsch & Associates to bring that tin-shed magic to the world.
Klipsch excels in loudspeakers, from flagship horn-loaded models like the enduring Klipschorn to high-fidelity enclosures, drivers, and complete systems for home audio, public address, and even personal computers. While deeply rooted in speakers, the brand has expanded into headphones and music systems, maintaining a focus on efficient, dynamic designs that prioritize clarity and power without excess amplification needs.
Renowned for its heritage-driven efficiency and bold, live-performance sonics, Klipsch holds a commanding mid-to-high-end position in the market, appealing to discerning buyers who value American-made authenticity over mass-market compromise. Neither purely vintage collector bait nor niche boutique, it bridges classic horn technology with modern reliability, earning cult status among audiophiles chasing that bigger, clearer sound Paul Klipsch first chased in 1946.
See all Klipsch listings on RADAR.
