4-Pin Power Plug SOUNDSTREAM Equalizer Line Driver ICQ.2 ICQ.4 BX-22I

4-Pin Power Plug HELIX Equalizer Line Driver Amplifier

2-Pin Speaker / Power Plug ORION Amplifier Equalizer Line Drive

4-Pin Power Plug US AMPS Equalizer Line Driver Amplifier

4-Pin Power Plug HELIX Amp Equalizer Line Driver Amplifier

5-Pin Power Plug SOUNDSTREAM Line Driver Equalizer BX-20Z

3-Pin Power Plug BOSS Equalizer Line Driver EQ Audio Control Epicenter