4 • 550x
550x - FRONT PANEL FEATURES
• Dual independent input jacks compatible with both passive and active instruments
• Preamp Gain control with red LED clip indicator
• Aural Enhancer control
• SubWave™ Activator Switch (illuminated blue when engaged)
• SubWave™ Level control
• Bass control
• Midrange Level control
• Midrange Frequency control
• Treble control
• Effects Blend control (with pull-limiter-defeat option)
• Master Volume control
• Illuminated Neon Power On/Off switch
550x - REAR PANEL FEATURES
• XLR Pad (Level) control
• XLR Output jack
• XLR Mode switch (Direct, Direct + Sub, Line)
• Ground/Lift switch for XLR Output jack
• Tuner Out jack
• Side-Chain Effects Loop (Effects Send and Effects Return 1/4" jacks)
• SubWave™ Activator Footswitch jack
• Speaker Output mode switch
• Two Speakon and two 1/4" Speaker Output jacks
• Speaker Fuse (3AG, 10-amp fast-blo)
• Line Fuse (3AG, 8-amp slo-blo)
• AC Power Cord Receptacle
ELECTRICAL SPECIFICATIONS
NOTE: All measurements were taken with a line voltage of 120VAC. All noise specifications
are "unweighted." All voltages and watts are "RMS." All measurements are taken with tone
controls set flat, Aural Enhancer at minimum.