B2

The Zoom B2 Four is a bass multi-effects processor designed with a range of features and functionalities for bass players. It offers a comprehensive set of effects, amp models, and preamps to enhance the bass playing experience. The technical specifications of the Zoom B2 Four are as follows:

- Maximum number of simultaneous effects: 5
- User patch memories: 300
- A/D conversion: 24-bit 128× oversampling
- D/A conversion: 24-bit 128× oversampling
- Signal processing: 32-bit
- Display: 256×128 dot-matrix LCD
- Inputs:
- Standard mono phone jack
- Rated input level: −20 dBu
- Input impedance (line): 1 or 10 MΩ (switchable)
- Stereo mini jack
- Rated input level: −10 dBu
- Input impedance (line): 10 kΩ
- Outputs:
- Standard mono phone jacks
- Maximum output level: +11.4 dBu (when output impedance 10 kΩ or higher)
- XLR jack
- Impedance: 100 Ω (HOT-GND, COLD-GND)/200 Ω (HOTCOLD)
- GND LIFT (switchable)
- PHONES: Stereo mini jack
- Maximum output power: 33 mW + 33 mW (into 32Ω load)
- Input S/N: 124 dB
- Noise floor (residual noise):
- LEFT/RIGHT: –96.0 dBu
- BALANCED OUTPUT –100.0 dBu
- PHONES –96.0 dBu
- Control input: FP02M input
- Power:
- AC adapter: 9V DC 500mA center negative (ZOOM AD-16)
- 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
- Use a USB cable that supports data transfer. USB bus power is supported.
- Dimensions: 146 mm (D) × 249 mm (W) × 72 mm (H)
- Weight: 906 g

The B2 Four also features classic and originally designed amp, preamp, and effect models, making it a versatile tool for bass players. Additionally, it can be used as a 2-in/2-out audio interface to connect to a computer or smartphone with favorite effects and amp models.