Get into the legendary SWR sound and tone-shaping features at an unbelievably low price! The WorkingPro 400 gives you classic SWR tone and clarity, the exclusive tone-expanding Aural Enhancer circuitry, 400 watts of dependable solid-state power and the tonal sweet spots of a simple 3-band active EQ with variable midrange. And with SWR's brand new Bass Intensifier circuitry, you can thicken your low-end response at the frequency range of your choice, making the 400 watts onboard louder than ever before. It's also rackmountable, and equipped with a two-button footswitch (Bass Intensifier and Tuning Mute).

Front Panel Features
Input jack with -10 level pad switch

Tuning Mute switch with LED indicator

Gain control with preamp clip LED indicator

Exclusive Aural Enhancer circuitry

NEW Bass Intensifier circuit:

Bass Intensifier engage switch with LED indicator

Bass Intensifier level

Bass Intensifier cutoff

Active Bass control

Active Midrange Level control

Midrange Frequency control

Active Treble control

Active Transparency control

Effects Blonde control

Automatic Limiter active LED indicator

Automatic Limiter defeat switch

Power amp clip LED indicator

Master Volume control

Power On/Off Switch

Dual rack handles

Rear Panel Features
Balanced XLR Output jack

XLR mode switch (Direct/pre-EQ, Line/post-EQ)

XLR ground/lift switch

XLR level pad switch (0db, -10db)

Sidechain Effects Loop (EFX send, EFX return jacks)

Tuner out jack (stays live when Tuning Mute is engaged)… read more

Unbalanced Line Out jack

Stereo Headphones jack

Footswitch jack

Line Fuse: T8A, 250V (100 & 120 volt units)

A/C Line Receptacle read less