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Lowest price we've seen: $147.39 on Nov 12 at AliExpress. Tracked across 6 stores since Nov 12.
The Rockville SK510 package pairs a single 10-inch K5 subwoofer in a ported enclosure with a dB11 Class D mono amplifier, bass remote and RWK81 8-gauge installation wiring kit.The loaded enclosure has a final impedance of 4 ohms and a CEA-rated power-handling specification of 300W RMS. The included amplifier’s listed CEA output at that impedance is 220W × 1 at less than 1% THD+N.Loaded ported enclosureThe K5 subwoofer uses a fiber-reinforced non-pressed paper cone, thick foam surround, blue cone stitching and polypropylene dust cap. Its 2-inch, four-layer black aluminum voice coil is wound with OFC copper wire.The bonded, stapled and braced 3/4-inch MDF cabinet uses computer-designed vents tuned to 35 Hz. Tweed carpet and satin-nickel push terminals complete the enclosure.Bass adjustment and protectionThe amplifier’s low-pass filter, subsonic filter, phase control and bass equalizer help tailor the output to your system. The bass remote provides level adjustment from an accessible location.IC-controlled protection, a mute-and-delay soft-start system and status LED support operation.Subwoofer and enclosure specifications
Driver: Single 10-inch K5
Final impedance: 4 ohms
CEA-rated handling: 300W RMS
Program handling: 600W
Peak handling: 1200W
Cabinet: Bonded, stapled and braced 3/4-inch MDF
Air space: 1.0 cu ft
Vent dimensions: 2 × 6.5 × 8 inches
Tuning: 35 Hz
Voice coil: 2-inch, 4-layer black aluminum with OFC wire
Magnet: 40 oz
Basket: Cast iron with black sanded finish
Terminals: Gold-plated spring-loaded driver terminals
Driver construction: Vented T-yoke, high-BL motor gap and mounting gasket
T-yoke and washer: 6 mm each
Cutout diameter: 9.05 inches
Mounting depth: 4.52 inches
Sensitivity: 87.7 dB
Loaded enclosure weight: 33.2 lb
Dimensions: 16.25 × 13 × 14.25 inches
dB11 amplifier specifications
Type: Class D mono with optical-coupler technology
CEA-rated output at 4 ohms: 220W × 1, less than 1% THD+N
