Mutie: Pressing the mute button toggles mute on the physical outputs. When e500 is muted, all preset LED's will illuminate with a dim red color.
Back Panel Features:
Speaker Output: Use this connector to connect the amp to your cabinet. The SpeakON Combo jack allows for SpeakON or 1/4" Speaker Cable operation. The minimum load impedance is 4ohm. The Exponent 500 can be operated without a cabinet.
Warning: DO NOT use an instrument cable with this jack. Using an instrument cable can damage your amplifier.
Effects Send: Use this output to send signal to your outboard gear.
Effects Return: Use this input for the signal from your outboard gear.
Headphone Output: The 1/4" stereo headphone output handles headphones with an impedance of 16 - 600 ohms. Connect your headphones and control the output level with the master volume. The headphone output has an output impedance of <1 O and a maximum output level of 13.3 dBu (3.6 Vrms).
XLR Direct Output: Direct output signal unaffected by master volume. The maximum output level before clipping is 2.2 dBu (1 Vrms).
Ground Lift: Use this control to lift the ground of the XLR output. If you are experiencing ground noise in your DI signal, try changing this control.
MIDI In: Standard DIN connector. Use the 7-pin MIDI connector only with the Darkglass MIDI footswitch, and use a 5-pin connector with other MIDI equipment.
USB: The USB-C port unlocks Exponent 500’s USB audio interface capabilities and allows for software updates via the Darkglass Suite. USB MIDI In/Out is also supported
AC Socket: Connect mains power to the amplifier. There is a voltage selector for 100-120 / 200-240 VAC, 50-60 Hz.