JOYO Dyna Compressor guitar effect pedal features a re-creation of the classic-ross's compressor with very low noise, an essential part of your tone.
Use the "Sustain" "Attack" and "Level" knobs to find your ideal tone. Tweak the "Attack" knob to boost your bottom end and level off high-output pickups.
True Bypass provide transparent tone to keep the best tone quality, aluminium-alloy housing classic stoving varnish finish, stable and strong.

SUSTAIN--Delaying time of compressing.
ATTACK--Starting time of compressing effect.
LEVEL--Output level

Specification
Input Impedance: 500KΩ
Output Impedance: 10KΩ
Running Current: 8mA
Power: 6F22 9V Battery/ DC 9V adapter (None included)
(When connecting the adapter, battery power would be cut off automatically)
Dimension:120(L)X 72(W)X 55(H) mm Weight: 290g

SOME TIPS:
* Before you test the pedal or before playing, make sure the guitar is fully connected with the pedal;
* More importantly, you need to make sure it meets the working current requirement of each single pedal.
* In order to make JOYO pedals work properly, avoiding unexpected noise caused by power supply, we recommend that you purchase a JOYO original power adapter, or choose other reliable brands. 

Package included:
1 x JOYO JF-10 Dynamic Compressor effect pedal.
1 x User's Manual.
(Power Supply Adapter is NOT included.)