This user manual introduces ULTRABASS BVT4500H/5500H product's usage method, including safety instructions, power switch instructions, detailed safety instructions, etc.
This manual explains safe operation of the ULTRABASS BVT4500H/5500H professional bass amplifiers, including important safety warnings, power‑off procedures, and recommended installation conditions. It also details how to register the product for warranty service.
The guide describes each front‑panel control (POWER switch, VTC LED, PAD, MUTE, EQ, etc.), rear‑panel connectors (speaker outputs, input jacks, effects loop, power amp input), signal flow, and how to configure voltage, fuse type, and speaker impedance for optimal performance. This manual is written in Chinese.
| Power Output (BVT4500H) | > 450 W |
|---|---|
| Power Output (BVT5500H) | > 550 W |
| Operating Voltage | Selectable 120 V / 230 V |
| Minimum Speaker Impedance | 4 Ω |
| Recommended Speaker Impedance | 4 Ω or higher |
Turn the amplifier off, unplug the power cord, and use a fuse of the same type and rating as the original.
The minimum speaker impedance is 4 Ω; using 4 Ω or higher gives the best performance.
Yes, the unit can be switched between 120 V and 230 V by rotating the fuse socket 180°.
Press the MUTE button, which is available only on the BVT5500H, to silence the main signal line.