Preamp effects Pedal - Cali-Dual. The MOOER Micro Preamps are sonically accurate digital recreations of the preamp sections of popular tube amplifiers. Mooer meticulously analyzed various real tube amplifiers to capture their sound, dynamics and response. The result are the Mooer Micro Preamps – each one comes complete with dual channels, integrated speaker cabinet simulation and dual operating modes to suit the needs of all users. This allows the user to connect direct to a soundcard, powered monitor or P.A. without the need for a guitar amp or speaker cab at all. Authentic recreation of a real amp. based on an amazingly versatile legendary US-boutique style rock icon. 3-band EQ. True bypass. Controls for Volume, Gain, Bass, Middle and Treble. CH / CAB switch for switching channels and activating the speaker simulation. Status LED. Metal housing. Bypass footswitch. 6.3 mm mono IN/OUT jacks. Power supply via optional 9V DC (Mooer PDNW-9V2A-MP) adapter 2.1 mm x 5.5 mm barrel plug, polarity (-) center. Battery operation not supported. Current draw 300 mA. Dimensions: (D x W x H) 94 mm x 42 mm x 52 mm. Weight 160 g