Shopping around for the best car speakers can be a confusing and frustrating experience. Do I get a 2-way or 3-way speakers ? What about 2 way speakers, do they sound good enough? Which brand should I go with? It's enough to make your head spin. Try this under seat subwoofer it is fantastic and it gives you a new music experience.
Product Highlights:
High density and high quality construction
Power status LED bi-color LED
Phase shift to compensate for time alignment problem in the system
Auto power on/ off for high level connection
Low pass filter controls the frequency range
Bass boost increases the sound level
Technical Details:
Single 10" High Quality Subwoofer
Power: 550 Watts
High power long-throw 10'' full range speaker provides
incredibly deep bass and acoustic power
Frequency Response: 20Hz- 150KHz
THD: 0.4%
Signal to noise ratio: 90dB Input sensitivity: high level 0.5V
low level 110mV
Bass boost: 0 to +12 dB
Subsonic filter: 20Hz fixed
Fuse rating: 40A
Passive radiator: 185x52mm
Subwoofer: 10" 2 ohm

Package Contents:
Gravity GRWF10 10" 550W Subwoofer