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About the D15-Chimera
The HSU Research D15-Chimera is a standalone sealed dual 15-inch side-firing subwoofer powered by a 1200W RMS amplifier, designed for exceptional mid-bass punch and low-end extension down to 25 Hz. It features a unique modular design allowing attachment of the optional D15-SC Supercharger ($499), transforming it into the D15-Chimera SC ported subwoofer with up to four ports for deeper bass down to 14 Hz and higher output up to 126.9 dB. Inputs include balanced XLR, unbalanced RCA, and speaker-level connections. Crossover is bypassable 30-120 Hz at 24 dB/octave. Equivalent to two ULS-15 or TN1 subwoofers in performance but in a single stackable cabinet. Dimensions for base unit: 20" W x 30.5" H x 18" D; weight 101 lbs net. Still in production and available as of 2026.[1][2]
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