Joyo JF-17 Extreme MetalHigh-Gain Drive with 3-Band EQ and Gain Boost

Features:
The Extreme Metal provides a strong low frequency and clear, transparent high frequency, and penetrating main rhythm Tone.
With a powerfully-adjustable 3 band EQ and sweep Mid-Freq knob.
Play the rhythms and then use the boost switch to play leads that cut through the mix!
6 Controls for complete sound manipulation. 
Aluminum alloy casing with stoving varnish finish.

Specifications:
Model: JF-17
Color: Black
Material: Aluminum alloy
Input impedance: 1Mω
Output impedance: 600ω
Running current: 25mA
Power: 6F22 9V battery / DC 9V adapter (Neither included)
Item size: 12 * 9.6 * 5.7cm / 4.7 * 3.8 * 2.3in
Item weight: 415g / 14.6oz
Package size: 13 * 10.4 * 6.2cm / 5.1 * 4.1 * 2.4in
Package weight: 450g / 16.0oz

Note:
Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.

Package List:  
1 * Effect Pedal
1 * User Manual (English & Chinese)