Mesa Boogie Bass 800 D *On Order, ETA May 2026

Mesa Boogie Bass 800 D

Based on the legendary  All Tube 400 +

• A tour-ready amplifier head that builds upon the classic Mesa/Boogie Bass 400+ with updates from the road-proven Subway lineup
• Harmonic-rich tube preamp inspired by the preamp architecture of the Bass 400+
• 800W Class D power section delivers a thunderous level of low-end firepower and a clear, crisp definition
• 1x 12AT7 Preamp Tube
• Power section features tube emulation circuitry to capture the tone of the original Bass 400+
• Powerful 3-band EQ to shape your sound, further enhanced by a Low/High gain switch, a Deep switch, and a Bright switch
• Rotary Highpass control trims unwanted mud from your signal
• FX loop to cleanly integrate your favorite stompboxes
• Stereo speaker outputs with rock-solid speakON jacks
• Phantom-power-protected balanced DI out makes it a breeze to go direct
• 3-way Impedance switch offers 2-, 4-, and 8-ohm options to connect to just about any bass cab
• Versatile I/O section includes an aux input, a tuner output, a headphone jack, and a footswitchable mute function
• Built-in ground lift, Line/Mic switch, and Post-/Pre-EQ switch
• Onboard fan cooling to ensure optimal performance
• Heavy-duty metal enclosure is ready to meet the rigors of the road