Features: 
157 effect types, 61 high quality preamp modulations, 9 effects module, 26 built-in cabinet modulations, 300 preset tones.With integrated 52 seconds LOOPER, Drum machine with 40 drum patterns and 10 metronome rhythms.Supports third party IR, IR file format: WAV.Supports USB AUDIO recording, PC editing and firmware update.With user-friendly knobs and 9 buttons and adjustable signal chain setting, you can adjust each built-in effects respectively, you can arrange each effects inside the box individually.
GEM BOX III is the flagship model of JOYO's multi-effects, with smart reversed modeling technology. Moreover, it’s compatible with JOYO STUDIO software to upload AMP models.
As a flagship multi-effects, GEM BOX III also feature the hottest and innovative function--impulse response, a.k.a IR. With 26 preset IR sample rate Cab models and supports 3rd party sample rate IR load.
GEM BOX Ⅲ supports connection to PC, you can use JOYO STUDIO master computer software to edit tones, import and export preset files, firmware upgrade, import AMP module and 3rd party IR cabinet simulation file.IR technology ensures upgrade anytime.26 preset IR sample rate Cab models and supports 3rd party sample rate IR load.
It can be used as sound card to record, and supports software editing.Please log on to JOYO’s official website and download JOYO STUDIO and sound card driver.
With a built-in expression pedal (EXP) and supports a second external expression pedal (EXP2).Features expression pedal and various effect parameters can be adjusted, external expression pedals can be used simultaneously.
Drum machine + LOOPER, you’ll definitely havea blast !GEM BOX III has 52 seconds of LOOPER + drum machine with 40 drum patterns,you can literally complete different roles of a rock or band by yourself !
Aux in and headphone out. Perfect for recording, rehearsing and live show.Various interface suitable for different venuesProgrammable outputs for easy integration into any live setup ( Windows PC requires ASIO4ALL driver)Sampling accuracy: 24bit(supports 16/24/32 third party IR files)
Headphone output for practicing quietly.Can be used as sound card to record, and supports software editing.Sound card recording can be achieved by USB AUDIO, PC editing for tone and firmware upgrade.
 Specification:Product size: Approx.31.1*17.5*5.3cmProduct weight: 1.75kgPackage size: 41.5*23.5*10.5cmPackage weight: 2.46kg
 Package Included:1 x GEM BOX III Pedal