---
product_id: 208758573
title: "ABM-300-EVO IV 300-Watt Bass Head"
brand: "ashdown"
price: "€ 1938.58"
currency: EUR
in_stock: true
category: "Ashdown"
url: https://www.desertcart.nl/products/208758573-abm-300-evo-iv-300-watt-bass-head
store_origin: NL
region: Netherlands
---

# 300W power stage 12AX7 Class-A tube preamp 9-band precision EQ ABM-300-EVO IV 300-Watt Bass Head

**Brand:** ashdown
**Price:** € 1938.58
**Availability:** ✅ In Stock

## Summary

> 🎸 Power, precision, and punch — the bass head that commands the stage.

## Quick Answers

- **What is this?** ABM-300-EVO IV 300-Watt Bass Head by ashdown
- **How much does it cost?** € 1938.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/208758573-abm-300-evo-iv-300-watt-bass-head)

## Best For

- ashdown enthusiasts

## Why This Product

- Trusted ashdown brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Tube-Driven Warmth:** Enhanced 12AX7 Class-A tube preamp delivers rich harmonic overdrive with footswitch control for instant tonal shifts.
- • **Stage-Filling Power:** Unleash 300 watts of pure bass energy to dominate any club or mid-sized venue.
- • **Precision EQ Control:** Revolutionary 9-band EQ with sliders and footswitch lets you sculpt your signature sound on the fly.
- • **Pro-Grade Connectivity:** Neutrik Jack/Speakon outputs, tuner out, FX loop, and line inputs ensure seamless integration with your rig.
- • **Dynamic Compression & Sub-Octave:** One Knob Dynamic Compressor and Sub-Harmonic Generator add punch and depth that make your bass unforgettable.

## Overview

The Ashdown ABM-300-EVO IV is a 300-watt bass amplifier head featuring a 12AX7 Class-A tube preamp with upgraded Variable Valve Drive for rich harmonic content. It includes a groundbreaking 9-band EQ, One Knob Dynamic Compressor, and Sub-Harmonic Generator for deep, powerful bass tones. Designed for professional bassists, it offers versatile connectivity with Neutrik Jack/Speakon outputs, tuner out, FX loop, and line inputs, making it perfect for clubs and mid-sized venues.

## Description

The ABM 300 EVO IV teams the ABM preamp with a powerful 300 watt power stage perfect for filling the stages of clubs and mid sized venues. Our Variable Valve Drive preamp section has also been upgraded in EVO IV. Delivering more current to the 12AX7 tube enables more drive and harmonic content than ever before. The Drive level can be preset and kicked in and out via footswitch, providing access to a huge range of clean, warm and overdriven tones. Bassists plugging into EVO IV will be greeted straight away by the flickering of the new Input VU meter, allowing them to quickly find the sweet spot for their instrument.EVO IV features a 9-band EQ, with familiar Bass, Middle and Treble controls and six sliders providing precision cut and boost at 100Hz, 180Hz, 340Hz, 1.3KHz, 2.6KHz and 5KHz. The EQ can be switched in via footswitch taking the player from a flat fretless sound to their favourite EQ setting instantly. The NEW 9-band EQ is a revelation of sonic perfection and will surprise older ABM users. Other ABM favourite features are retained in EVO IV, including Ashdown’s famous One Knob Dynamic Compressor sub octave note for huge bass tones. Kick it in and this simple to use, great sounding compressor delivers a powerful, even sound, guaranteed to help your bass fill out any mix. Once heard – never forgotten.The ABM Sub-Harmonic generator adds an octave below the notes being played. The Sub level is independently controllable, letting you dial in anything. A tuner output, Line out, transparent FX loop and a Line Input for the connection of an external sampler or sound source. Output muting cuts the signal from the DI output but leaves the tuner output 'live', allowing the player to tune up in silence. A pair of Neutrik Jack/Speakon sockets with a minimum 4 ohm load provide flexible partnering options with a dedicated range of ABM EVO IV cabinets. The ABM 300 EVO IV can be used to power a single 8 ohm cabinet, a pair of 8 ohm cabinets or a single 4 ohm cabinet.

## Features

- 300-watt Bass Amplifier Head with 12AX7 Class-A Tube Preamplifier Circuit
- Sub-harmonic Generator
- Compressor
- EQ
- DI

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07W4WXGPQ |
| Back Material | Basswood |
| Best Sellers Rank | #274,013 in Musical Instruments ( See Top 100 in Musical Instruments ) #117 in Bass Guitar Amplifier Heads #84,056 in Music Recording Equipment |
| Color Name | Transparent |
| Compatible Devices | Bass guitar speaker cabinets with compatible connectors and impedance |
| Connector Type | 6.35mm Jack, Neutrik Jack/Speakon, XLR, 3.5mm Jack |
| Date First Available | August 9, 2019 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 28 pounds |
| Item model number | ABM300EVOIV |
| Material Type | Metal |
| Number of Strings | 4 |
| Output Wattage | 300 Watts |
| Power Source | Corded Electric |
| Product Dimensions | 13.39 x 19.29 x 5.91 inches |

## Product Details

- **Brand:** Ashdown
- **Color:** Transparent
- **Compatible Devices:** Bass guitar speaker cabinets with compatible connectors and impedance
- **Material:** Metal
- **Output Wattage:** 300 Watts

## Images

![ABM-300-EVO IV 300-Watt Bass Head - Image 1](https://m.media-amazon.com/images/I/711xJVb2GDL.jpg)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-13*