The Imperial Preamp delivers the 50s Tweed, 60s Blackface, and Vintage British Rock tones of Tone King's legendary MKII amplifiers in a compact, pedalboard-friendly format. Featuring the accurate preamp section and phase reverse circuitry of the Imperial MKII amplifier, plus reverb, tremolo, and attenuation, this pedal delivers harmonically rich, vibrant touch response. Powered by three high-voltage 12AX7 preamp tubes, this preamp delivers the amp's tone, response, and exquisite interaction with pickups and effects. With onboard low-latency impulse response (IR) loaders (per channel), headphones, easy integration and expansion with existing gear, and MIDI functionality, these iconic tones will usher you into a new era of guitar playing.●2-channel high voltage preamplifier ? DI ● 3 x 12AX7 preamp tubes operating at appropriate high voltage ● Built-in zero watt power amplifier - phase inversion circuit ● Two channels with independent volume and attenuation controls ● Rhythm channel (top) - 60s American Blackface combo tone - Bass and treble controls - Lead channel (bottom) - Combination of 50's American tweed and British rock tones - Tone and mid-bite controls - Spring reverb (digital) Reverb and Dwell controls - independently assignable to each channel Tremolo (digital) Depth and Speed controls, independently assignable to each channel; Stereo and series FX loop (bypassable) ●MIDI programmable●Up to 128 presets can be saved and instantly recalled via an external MIDI switcher.・Saving presets: Channel selection, Master bypass setting, IR selection, IR bypass setting, Effect loop bypass setting, Reverb bypass and tail settings, Tremolo bypass setting. Onboard impulse response (IR) technology. Low latency impulse response cabinet simulation (bypassable). 3-position CAB/IR select switch per channel (software programmable)・OwnHammer IR ●Poweramp simulation with software-editable HF COMP and low-pass filter (per channel) ●Connections: Dual stereo balanced XLR outputs with ground lift switch; 1/4-inch headphone output; Effects send and stereo return jacks; MIDI 5-pin standard connector; USB-C connector (for the included Tone King Editor software and USB audio streaming) To Amp In, From Amp Send, From Amp Return jacks (for adding Imperial channels to your amplifier or preamp) ●Tone King Editor software is supplied by SYNERGY. ●Includes a 6-foot USB cable and universal 12V power supply●Power supply: Use a 9V-12V adapter of 9W or more. ●Current consumption: 800mA