The Mesa Boogie Bass 400 is a powerful and versatile bass amplifier head that has been a mainstay in the bass player community since its introduction in the late 1970s. It is a tube amplifier that delivers a warm and rich sound, with plenty of headroom and power for any type of music.

One of the standout features of the Bass 400 is its flexible EQ section, which allows players to shape their tone with precision. The amp has four-band EQ controls for bass, low mid, high mid, and treble frequencies, as well as a deep switch that adds extra low-end punch. Additionally, the amp has a bright switch that can add clarity to the high frequencies.

The Bass 400 also has a number of other useful features for bass players, including a built-in limiter that can help prevent distortion and protect your speakers, a balanced XLR output for recording or running the amp into a mixing console, and a series effects loop that allows you to add pedals and other effects to your signal chain.

Features:

Handcrafted in Petaluma, California

500 Watts @ 2 Ohms, All Tube, Class A/B Power / 12x6L6, 4x12AX7

Fixed Bias

Two Inputs w/Independent Pull Bright Volume Controls, (1=Active, 2=Passive)

Pull Shift Bass & Treble Controls (Standard Mid Control)

Assignable 7 Band Graphic EQ

Dual Patch Point FX Loop (Front & Back) w/Blend Control

600 Ohm XLR Balanced Out

Slave Out w/Level Control

3-Speed Fan Cooled (Off, Low & High)

Dimensions: 10.375" H x 18.75" W x 12.5" D

Weight: 22kg / 48 lbs

This amp presents in great condition and in perfect working order. There are a few cosmetic flaws and some missing paint from years of gigging but still in great nick for a 30 year old amp. The amp was re-tubed in the early 2000's and was regularly gigged pre-covid period. If interested, the amp can be sold with a pair of Eden bass cabinets - make an enquiry for more information.

This Mesa Boogie Bass 400 is a great sounding and reliable amplifier head that has been used by many professional bass players over the years. Its combination of powerful tube tone, flexible EQ controls, and useful features make it an excellent choice for anyone looking for a high-quality bass amp.

Comes with its own roadcase with wheels in good condition.