Easily enhance your sound quality:

Equipped with a internal mic - Hands-free Calling has never been easier, which helps you drive safely.

Upgrade the built-in microphone radio function to distinguish your voice more clearly.

2.1-Channel - Upgraded from 2.0-Channel to 2.1-Channel. 60W×4 Output Power.

Unlike 2.0-Channel (Left and Right), 2.1-Channel supports a separate subwoofer output(expand your system when you need it).

While this may seem like a small difference, not having a subwoofer can be the difference between okay sound and great sound.

Wiring:

1. Connect the wires according to the definition. Otherwise, the speaker and the stereo will be damaged.

2. If you have a 4-Channel amplifier. Divided into two sets with a splitter. The H901 only support Left and Right speaker(front left/front right and rear left/rear right).

Adjustable EQ Modes: CUSTOM/CLASS/ROCK/JAZZ/POP/etc. The equalizer setting will match your taste and listening environment.