Demo stock, damaged box

The 600W head features the Variable Valve Drive Plus, offering an array of clean to overdriven tones at your fingertips. The new 9-band EQ, with precision controls, ensures you find your perfect sound effortlessly. And let's not forget the Input VU meter, which streamlines the setup process. 

ABM EVO IV retains beloved features like the One Knob Dynamic Compressor and the Sub-Harmonic Generator, enriching your bass notes with depth and character. Professional connectivity options, including a tuner output, transparent FX loop, and Line Input, make this head stage-ready and studio-friendly.

With flexible foot-switching capabilities, you can control Valve Drive, Compression, EQ, and Sub-Harmonic Generation on the fly, giving you countless sound combinations without extra pedals. Elevate your bass playing with the Ashdown ABM-600-EVO-IV.

SPECIFICATIONS

Power Output: 600 Watts

Power Requirement: 115-230 Volts

Speaker Outputs: 2 × Jack/Speakon outputs

High Instrument Input: Impedance 3.9M Ohms, input range 150mV

Low Instrument Input: Impedance 22k Ohms, input level 0dBu nominal

Line Input: Impedance 22k Ohms, input level 0dBu nominal

DI Output: 600 Ohm balanced, Level 0dBu nominal

Tuner Output: Impedance 22k Ohms, Level 0dBu nominal

Effects Send: Impedance 22k Ohm, Level 0dBu nominal

Effects Return: Impedance 22k Ohms, input level 0dBu nominal

Frequency Response: -3dB @ 17Hz to 30kHz

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

ConditionB-Stock (Used)
B-Stock items are sold by an authorized dealer or original builder, but have been opened, blemished, or used in some manner.Learn more
Brand
Model
  • ABM 600 EVO IV 600-Watt Bass Amp Head
Finish
  • Black / Blue
Categories
Year
  • 2016 - Present
Made In
  • China
Electronics
  • Hybrid
Number of Inputs
  • 1 Input
Power Tube Type
  • None
Built-In Effects
  • No Built-In Effects
Effects Loop
  • Effects Loop
Reverb
  • None
Color Family
  • Black
Number of Channels
  • 1 Channel
Impedance
  • 4 ohms
Direct Output
  • Direct Output
Output Power (Watts)
  • 600

Product safety information may be available here.

Ashdown USA Official

Benicia, CA, United States
Joined Reverb:2025

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