Unleash a thunderous low-end and crystalline highs with the SWR 550x Bass Amplifier Head, a powerhouse in the world of bass amplification. The 550x propels your sound to new depths with its robust 550-watt output at 4 ohms, ensuring that every note resonates with authority and clarity. Whether you're hitting the stage or the studio, its sophisticated design incorporates an all-tube preamp featuring a 12AX7 tube, capturing the warmth and nuance of your performance.

The SWR 550x isn't just about raw power. Its Subwave octave generator adds a dimension of sonic depth, perfect for bassists who crave a fuller, more layered sound. The amplifier's frequency response covers an impressive range from 20Hz to 40kHz, ensuring that every subtle harmonic is heard. Its fan-cooled, two-rack-space configuration means it's as reliable as it is powerful, making it a perfect fit for any gigging or recording setup.

Ease of use is at the forefront, with intuitive front panel controls like dual independent input jacks, variable mid-range EQ, and an exclusive Aural Enhancer circuit that lets you shape your tone with precision. The rear panel is equally equipped, offering versatile connectivity with balanced XLR outputs, speakon jacks, and more, catering to both traditional and modern bass setups.

Key Features:

• 550 watts at 4 ohms; 375 watts at 8 ohms
• All-tube preamp with a 12AX7 tube
• Subwave octave generator
• Frequency response from 20Hz to 40kHz
• Dual independent input jacks for active and passive instruments
• Variable mid-range EQ and Aural Enhancer circuit
• Fan-cooled, two-rack-space design
• Comprehensive rear panel connectivity including balanced XLR outputs and speakon jacks