?Features:
With this equalizer， you spend less time tweaking controls and more time playing.
Shape sound and eliminate feedback with 4 bands of equalization.
Tone and volume control with frequency range from 20 HZ to 20 kHZ.
With bass， middle， treble， brillance， volume， miclevel control knobs.
A better way to show your skill for it can assimilate the sound of your guitar board beating.
The Hi-Fi microphone offers a better result to transfer sound.
LCD display to show intonation for adjustment convenience.
The battery check indicator will light when the power is low.
1 pick to amplify the sound.
1 small sticky plate helps to fix the power leads.
4 mounting screws connect the guitar firmly.
Connecting wire with 6.35mm plug.
Powered by 6F 22 9V battery (not included).

Specifications:
Input impedance: 2.2MΩ?? ??? ??? ?
Frequency response: 20Hz～20KHz?? ??? ??? ?
Bass control: ﹢/﹣12db at 80Hz?? ??? ??? ?
Middle: ﹢/﹣12db at 500Hz?? ??? ??? ?
Treble: ﹢/﹣12db at 3KHz?? ??? ??? ?
Presence: ﹢/﹣12db at 15KHz?? ??? ??? ?
Brillance: ﹢/﹣12db at 15KHz

Note:
The batteries are not included.?? ??? ??? ?
Power supply: 9V AIkaline battery?? ??? ??? ? ?? ??? ??? ??? ??? ?
Item color: Black
Item size: 8 * 6 * 4.5cm / 3.1 * 2.4 * 1.8in
Item weight: 96g / 3.4oz
Package size: Approx. 11 * 7 * 6cm / 4.3 * 2.8 * 2.4in
Package weight: 115g / 4.1oz

Package list:
1 * EQ
1 * Connecting Cable
1 * Pick
4 * Mounting Screws
1 * Sticky Plate
1 * Cable Tie

Note:
The batteries are not included.