The ZB2FOUR is a Multi-Effects Processor for Bass. The ZB2FOUR pedal incorporates six iconic DIs and Zoom's advanced multi-layer IR technology, serving as a comprehensive all-in-one tool for bass players across various styles. With 250 presets and 300 user patches, it offers a diverse range of amp, preamp, and effect models.Featuring 104 effects and the capability to layer up to five simultaneously, the B2 Four ensures the creation of unique patches. Its high-quality 24-bit A/D and D/A conversion, including 128x oversampling and 32-bit DSP, deliver high-resolution effects. The pedal provides extensive I/O options, including a balanced XLR output with a ground-lift switch, a 1/4" input with selectable impedance, a 3.5mm aux input, a robust headphone output, expression control input, and USB-C connectivity. The latter allows the B2 Four to function as a 2x2 audio interface, connect to the Handy Guitar Lab for B2 Four iOS app for patch and effect expansion, and accommodate an optional power source.Zoom ZB2FOUR Features:Effects and Functions: Create custom patches using 104 effects, including renowned boutique effects and preamps. Combine up to 5 effects and amps simultaneously to tailor your own patches. Explore looping, grooving, jamming, and rehearsing with B2 Four. The built-in 60-second looper enables groove construction, while the onboard rhythm machine, offering 68 beats, is an ideal companion for practice sessions.Built for Live Performance: B2 Four is equipped for direct integration into the house PA system. It offers six DI models replicating the tones of top-tier direct boxes:1. Tube 1: Rich harmonics and thick low frequencies2. Tube 2: Clear attack and tight low frequencies3. Tube 3: Clear and glossy sound4. Solid State 1: Moderate compression and sharp tones5. Solid State 2: Clear tone with minimal distortion6. Solid State 3: Elevated mids and low treble, designed to replicate the Motown soundQuality Amp and Cabinet Models: Featuring Zoom's cutting-edge multi-layer IR technology, each amp model meticulously reproduces the tonal nuances of classic amps and cabinets. These impulse responses, derived from cabinets at varying levels, dynamically activate based on your bass volume. With 250 preloaded presets, this system empowers bassists to effortlessly replicate the signature sounds spanning from the 50s to contemporary hits.I/O Options: Easily connect to a PA or interface with the balanced XLR output, or link to an amp using the stereo 1/4" outputs. The 1/4" instrument input features an impedance switch (1 to 10 megohms) for a cleaner tone with piezo-equipped upright basses. Jam along with external tracks using the 3.5mm aux input, and modify parameters with an external control pedal through the expression input. The robust 3.5mm headphone output delivers 33mW per channel into a 32-ohm load.USB Connectivity: Utilize the B2 Four as a 2-in/2-out audio interface, connecting seamlessly to a computer or smartphone for your preferred effects and amp models. Access an ever-growing library of patches and effects through the Handy Guitar Lab for B2 Four app (iOS only), enabling bassists to continuously broaden their sonic possibilities.Zoom ZB2FOUR Specifications:Display:Panel Type: LCDResolution: 256 x 128Touchscreen: NoInputs/Outputs:USB I/O: 1x USB-C 2.0 Female Input/OutputAudio I/O1x XLR 3-Pin Line Output2x 1/4" TS Line Output (1 Stereo Pair)1x 1/8" / 3.5 mm TRS Headphone Output1x 1/4" TS Hi-Z/Instrument/Line Input (Selectable Impedance: 1 or 10 Megohms)1x 1/8" / 3.5 mm TRS Aux Input1x 1/4" TRS Hi-Z/Instrument Input (Expression Pedal)Power Source:AC Adapter with Power Brick (Included), USB (Not Included)AC Input Power: 100 to 240 VAC, 50/60 HzDC Input Power: 9 VDC at 500 mAPhysicalColor: BlackDimensions: 9.8"x5.7"x2.8"Weight: 32 oz / 906g Zoom ZB2FOUR Multi-Effects Processor for Bass.