for hd HLS20 and hd HLS24
compatible with Powersoft system amplifiers
suitable for hd Sub18, hd P18 and hd Infra218
tailored for all Harmonic Design speakers
different sizes available
suitable for hd HLS20, hd HLS24, hd LSA12 and flyable Subwoofern
suitable for hd C1CX, hd C3CX, hd C5CX and hd C7CX
available for hd MP-Serie & hd 181
available for hd Sub15/hd P15 and hd Sub18/hd P18
available for hd Sub-Serie, hd P-Serie, hd x81-Serie, hd MP-Serie, hd HLS-Serie, hd ML-Serie and hd PL-Serie
