1) 1/4” INPUT JACK – The input jack accepts an unbalanced signal from your bass via a standard 1/4” instrument cable.

2) INPUT IMPEDANCE

3) DC IN – External power supply connection 9VDC / 1A

4) USB TYPE-C-For Inner Li-Battery Charge

5) LOW-BASS EQ CONTROL – This will adjust the fundamental tones of E and A strings on 4 string basses and B,E & A on 5 string basses.

6) HIGH BASS EQ CONTROL-This will adjust the fundamental tones of D and G-strings on 4 & 5 string basses.

7) MID RANGE EQ CONTROL –

8) LOW TEBLE EQ CONTROL-

9) HIGH TREBLE (PRESCENCE) EQ CONTROL–

10) OVERLOAD INDICATOR

11) 1/4” OUTPUT JACK – This output can be connected to power amp, powered cabinet and unbalanced input of other devices via a standard 1/4” instrument cable.

12) BALANCED LINE OUT XLR SOCKET –This is a low impedance (200Ω) balanced line out for use with recording or PA mixing consoles. This output is not controlled by the volume control.

Changing the level on your instrument will however, vary the DI output.

13) GROUND /LIFT BALANCED LINE OUT-This allows the grounding of balanced out socket to be disconnected. This is useful if you are experiencing hum caused by grounding loops/problems.

14) PRE/POST EQ BALANCED LINE OUT- The output can be either direct from the source or via the EQ circuit.

15) MUTE SWITCH- To cut the sound off from the instrument.

16) MUTE INDICATOR- To show that you have muted the instrument.

17) OUTPUT LEVEL CONTROL- Can adjust the volume or match the outpu t to an amplifier/mixer.

18) INPUT GAIN CONTROL- Allows the matching to weak or strong pickups.

19) ON SWITCH- turns the preamp on and off and bypasses the signal direct; the LED indicator is green when the EQ is on. The LED indicator is red when the EQ is bypassed.
20) EFFECT ON/POWER ON INDICATOR- Shows when the EQ is ON.

21) POWER SWITCH- Switches the EQ on or OFF. In off mode the EQ is bypassed.