Introducing the B2 FOUR Amp and Effects Emulator, powered with Zoom’s Multi-Layer IR technology and 6 iconic DI models. Now you can craft the perfect low-end tone. Zoom’s innovative Multi-Layer IR technology recreates the tonal characteristics of playing through classic amps and cabinets. These impulse responses were captured from cabinets at 3 different levels and are activated based on the volume of your bass. Features: 6 built-in DI models: 3 tube and 3 solid state 11 realistic amp/cabinet models with newly developed Multi-Layer IR 11 preamp models (including 3 ZOOM original models) 82 bass effects including modeling of famous boutique pedals Analog input circuit with excellent low-frequency response Use up to 5 effects simultaneously 300 Patch Memories (250 Preset Patches with historic bass tones) 60 Second Looper + 68 rhythm patterns USB port for Handy Guitar Lab connection, 2-in/2-out audio interface and firmware updates Specifications: Max. Number of Simultaneous Effects: 5 User Patch Memories: 300 AD/DA Conversion: 24-bit 128× oversampling Signal Processing: 32-bit Display: 256×128 dot-matrix LCD USB: USB 2.0 Type-C port (use cable that supports Type-C), Handy Guitar Lab: USB 1.1 Full Speed, Audio interface: USB 2.0 Full Speed, 32-bit, 2-in/2-out Power: 9V DC 500mA center negative (ZOOM AD-16), USB bus power is supported Includes: G2X Four Effects & Amp Emulator, AD-16 AC Adapter, Quick Tour Manual Dimensions: 146 mm (D) × 249 mm (W) × 72 mm (H) Weight: 906 g