Xtra power, xtra lows from the newest member of the X Series. SWR's 550x takes the 350x's top-selling feature set to new heights - 550 watts @ 4 ohms - and new lows with the SWR Subwave octave generator. World-famous SWR professional tone and power in a convenient two-rack-space configuration. (Subwave Footswitch included.)
Technical Info
Front Panel Specifications
Ultra-High-Polished Aluminum Front Panel
Dual independent input jacks compatible for both active and passive instruments
Gain control with LED peak clipping indicator
Our exclusive Aural Enhancer circuitry
Subwave (with Level control)
Subwave Illuminated on/off switch
Limiter
Limiter Defeat Switch
Active bass and treble controls
Variable mid-range EQ
Effects Blend Control
Master Volume Control
Rack mountable
Chrome Rack Handles
Power On/Off Switch
Aluminum chassis
Rear Panel Specifications
Sidechain mono effects loop
Balanced XLR Output
XLR Mode Switch (Direct, Line, or Direct + Sub)
Tuner Send
Subwave Footswitch Jack
Two 1/4" Speaker Output Jacks
Two Speakon Output Jacks
Speaker fuse: 3AG, 10 Amp, Fast Blo
Line Fuse: 3AG, 10 Amp, Slow Blo
AC Line Receptacle
Other Specifications
All tube preamp gain stages
(1) 12AX7 Preamp Tube
Cooling Fan
Frequency Response (Power Amplifier): -3dB @ 20Hz and 40KHz
Dimensions (W x H x D): 19 in. x 3.5 in. x 14.5 in.
Weight: 26 lbs.
Power Output:
550 watts @ 4 ohms
375 watts @ 8 ohms
(minimum impedance = 4 ohms)
4 payments of 
