# Acus One ForBass Cello / Double Bass Amp

Designed for cello and double bass, but also suitable for vioinists and violists who may prefer more richness on the low end, the Acus One ForBass amplifier is extremely compact and light for a 400W power amplifier and offers an amazing feature set.

Acus amps have an attractive, minimalist design, with natural wood cabinet and custom speakers. Designed and produced in Italy.

### Features

-   Three channels, each with:
    -   Balanced XLR Input
    -   Unbalanced Instrument Input
    -   Phase inversion
    -   Gain
    -   Four-band Equalizer
    -   Effect Send (for internal effects)
    -   Volume
    -   BSS Filter, which allows for accurate control of the low frequenciesIn addition, channels 2 and 3 are equipped with SEND/RETURN for an external effect and compressor, which makes these channels particularly suitable for use with electric instuments.
-   Headphone output (with independent volume)
-   Anti-feedback Resonance Filter
-   Return Effect (for internal effects)
-   Master Volume
-   8 internal effects
-   Phantom power
-   Balanced Direct Out (Pre/Post EQ, Line o Mic Level)
-   Tuner

### Specs

Frequency Response

30Hz - 20kHz

Max Power Out

400W RMS

System format

One-way Amp

Woofer

10" High Excursion

Tweeter

Compression tweeter

Box

Low frequency

Construction

Plywood

Weight

29 lbs (13kg)

Dimensions

-   Height: 18” (46cm)
-   Width: 15” (38cm)
-   Depth: 12” (31cm)

## Details

- **Price:** 1899.99 USD
- **Vendor:** Electric Violin Shop
- **Tags:** outofstock, rocket-hide

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1899.99 USD | In stock |

## Images

- Acus One ForBass Cello / Double Bass Amp - Electric Violin Shop
- Acus One ForBass Cello / Double Bass Amp - Electric Violin Shop
- Acus One ForBass Cello / Double Bass Amp - Electric Violin Shop
- Acus One ForBass Cello / Double Bass Amp - Electric Violin Shop
- Acus One ForBass Cello / Double Bass Amp - Electric Violin Shop

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> Source: [Electric Violin Shop](https://electricviolinshop.com/products/acus-one-forbass)
> Updated: 2026-07-08