Ashdown RB-800 Rex Brown Pantera Signature Solid State Bass Amp Head

Developed with Pantera's Rex Brown, the RB-800 is an 800-watt UK-built bass head that blends Ashdown's signature tone with Rex's gritty edge. Featuring a versatile EQ section, Sub Harmonic Generator, Compression Control, and Valve Emulated Drive, it delivers everything from thunderous lows to snarling overdrive. 

With an Analogue Cab Sim DI, modern connectivity, and a lightweight, road-ready build, the RB-800 is equally at home on stage or in the studio - built for bassists who demand power, precision, and attitude.

The Rex Brown RB-800 is a signature bass amplifier designed to capture the unmistakable tone of one of metal's most iconic bassists. Featuring a comprehensive EQ system, Ashdown's Sub Harmonic Generator, one-knob compression, and a versatile Valve Emulated Drive, the RB-800 provides the tools Rex relies on to deliver his massive, cutting tone. From stadium-shaking lows to snarling overdriven growl, this amp puts his sound into your hands.

Built for today's stages, the RB-800 incorporates a dedicated Analogue Cab Sim DI output, making it the perfect partner for silent stages and in-ear monitoring setups. Rex's signature sound translates flawlessly to front-of-house or your monitor mix, ensuring that the low-end weight and clarity of your tone is preserved wherever you play. It's a professional feature designed for the modern touring bassist.

At its core, the RB-800 boasts 800 watts of output, providing the power and headroom needed to handle any venue - from intimate clubs to massive arenas. With 115-230V compatibility, it's ready for international touring. Dual Neutrik Speakon/Jack outputs provide bulletproof connectivity, while a frequency response of -3dB from 17Hz to 30kHz ensures Rex's earth-shaking lows and articulate highs are faithfully reproduced.

The RB-800 is designed with the working bassist in mind. Featuring high and low instrument inputs, a line input, a balanced DI output, and a dedicated tuner output, it's as practical as it is powerful. Whether you're in rehearsal, in the studio, or on the stage, the RB-800 integrates seamlessly into any setup, ensuring reliability and performance every time.