What's in the box:

Car Subwoofer Speaker Audio Amplifier Under-Seat Car Audio Amplifier (Standard)

Features:
The external configuration of fine strength stainless steel horn protections net cover.
Alloy fuselage to reduce the noise caused by the vibration.
Low frequency ability of the bass horn, fine quality low tone output.
Fine workmanship and fine performance.
Easy to install, can be installed directly under the driver's seat.

Specifications:
Product Name: Car Subwoofer
Material: Aluminum
Rated: 250W
Max Power: 800W
Voltage: 12V
Speaker Size: 8inch
SNR: > 90dB
Item size: 350 * 260 * 70mm / 13.8 * 10.2 * 2.8in
Item weight: 3800g / 8.4lb
Package size: 420 * 330 * 140mm / 16.5 * 13.0 * 5.5in
Package weight: 4742g / 10.5lb

Packing List:
1 * Car Audio Amplifier