Alpine HDZ-65 Car Speakers then use the additional 4-pin

then use the additional 4-pin female connector to daisy-chain an additional speaker

If you are seeking intensely powerful sub-bass that compromises nothing in terms of sound quality

variable low-pass filter (50-400 Hz at 24 dB/octave)

Mounting: Each speaker pod includes a built-in folding-style aluminum mounting clamp

Alpine HDZ-65 Car Speakers then use the additional 4-pinAbout the Alpine HDZ 65 Alpine Status high resolution audio system Alpine designed its Status System components for high resolution audio playback. Their Status Series digital receiver, amp, speakers, and subs were designed to work together and play your 192kHz 24bit digital music streaming files with high quality, studio level purity and sonic fidelity. Ready for high resolution Alpine crafted their HDZ 65 6 1 2" Status Hi Res 2 way car speakers for