Gravity SGR654 6.5" 4-Way Full-Range Car Speakers SoundXtreme which uses a 29 mm

which uses a 29 mm soft Tetolon fiber dome and a neodymium magnet

and amplifier or head-unit compatibility before installation

grilles are not included

and the cable has an approximately 6

Gravity SGR654 6.5" 4-Way Full-Range Car Speakers SoundXtreme which uses a 29 mmThe Gravity SGR654 is a pair of 6. 5 inch full range car speakers intended for vehicles that use this common speaker size. Their 4 way design combines multiple sound producing elements in each speaker to cover a broad portion of the audible range. They are a practical option for replacing worn factory speakers or building an entry level car audio system. These speakers are specified with a 60 Hz to 20 kHz frequency response, supporting bass, midrange,