Gravity GW-10D4 10" Dual 4-Ohm Car Audio Subwoofer Tweeters The unit is listed as

The unit is listed as a 1-channel Class D monoblock amplifier

The Gravity G-230TW is a 1-inch dome tweeter set designed to add dedicated high-frequency reproduction to a vehicle audio system

8" mounting-depth requirements before purchase

or add external amplification through the six-channel DSP output

then set amplifier gain and filtering for the installed system

Gravity GW-10D4 10" Dual 4-Ohm Car Audio Subwoofer Tweeters The unit is listed asThe Gravity GW 10D4 is a 10 inch component car audio subwoofer designed to add dedicated low frequency output to a vehicle sound system. It is intended for listeners building or upgrading a system that needs bass reproduction beyond what smaller full range speakers typically provide. Its single subwoofer format makes it suitable for custom enclosure projects and systems where space is limited. This model uses a dual 4 ohm voice coil configuration,