The highlight here is that the output is doubled

HELIX CB C690

it is ideal for SPL setups

The high-power bandpass speakers are equipped with powerful long-throw woofers that have been optimized for outputs of up to 600 W/RMS

It ensures precise frequency division between the woofer

AudioControl SPK-8S2/S4 10 Farad Power Cap The highlight here is thatAre you a music fan who loves rich bass? Then the Spike Series subwoofers are for you! For over 45 years, we've been helping people take their car audio experience to the next level and our latest product line is guaranteed to enhance any vehicle sound system. We're proud to bring you the ultimate in versatility and durability with AudioControl's Spike Series subwoofers. These high performance subwoofers are available in a range of sizes and power