Brand
ZOOM CORPORATION is a Tokyo-based Japanese maker founded in 1983. After developing audio components and rhythm equipment, it released the compact 9002 multi-effects processor in 1990 and later the popular 505 Guitar. Today its guitar, bass and acoustic processors range from small practice units to larger floorboards. JustPedals listings include the G1X FOUR and B1 FOUR, plus the A1 FOUR for acoustic instruments and its expression-pedal version. Compare each model’s instrument focus and expression controls: similarly sized Zoom units can be built around different effects and playing needs.
Category
Bass effects are voiced to preserve low-frequency weight and note definition while changing dynamics, harmonics, pitch, modulation or ambience. Many use clean blends, split-frequency processing or bass-specific filter ranges so the fundamental remains solid beneath the effected signal. Headroom, crossover frequency and low-end retention matter because a circuit that suits guitar can thin or overload a bass signal.
Tags
Voiced for the wider dynamics, strong transient detail and pickup characteristics of acoustic instruments. High input impedance, phase reversal, notch filtering and restrained processing help preserve body resonance while controlling piezo harshness and feedback. Balanced outputs may also carry the corrected signal directly to a mixer or interface.
Provides a short-range wireless data or audio connection. Depending on the design it may carry backing audio, editing commands, preset management or MIDI rather than the live instrument signal; codec delay and supported Bluetooth profiles determine what the connection can do.
Provides a Universal Serial Bus connection for power, audio, MIDI, firmware or editing data. The supported USB class and connector do not by themselves show its purpose; channel count, sample format, host compatibility and power demand define the actual function.