13INPUT PANEL6. RIGHT AND LEFT XLR INPUTS – Connect professional equipment to these connectors using balancedXLR plugs.7. RIGHT AND LEFT 6MM (¼") – Connect professional equipment to these connectors using 6mm (¼")balanced plugs. Connect consumer equipment to these connectors using 6mm (¼") unbalanced plugs.8. RIGHT AND LEFT XLR OUTPUTS – Connect these outputs to the 3 Series MkII speakers or otherpowered speakers or power amplifier in your monitoring system.9. INPUT SENSITIVITY SWITCH – Set this switch to the +4dBu setting when connecting professionalequipment and sources with very high output. Set this switch to -10dBV when connecting to lower-levelconsumer-grade audio equipment.NOTE: When the LSR310S is used in a system with 3 Series MkII speakers, set the INPUT SENSITIVITYswitch on the 305P, 306P, or 308P MkII to the -10dBV setting regardless of the LSR310S input sensitivityswitch setting.10. VOLUME CONTROL – Use this control to balance the volume of the subwoofer with the volume of thespeakers in the system.11. CROSSOVER FREQUENCY – This crossover provides three settings: 80Hz, XLF, and External. The 80Hzsetting is recommended for use with studio monitors, including the 305P, 306P, or 308P MkII. The Externalsetting allows use of an outboard active crossover. Select the XLF (Extended Low Frequency) setting toactivate a circuit that emulates the bass tuning commonly applied to club playback systems.12. POLARITY – Enables optional 180 degree polarity reversal of the subwoofer output to optimize the blendof the subwoofer with the main speakers according to relative speaker and listening positions. Select thesetting that produces the greatest amount of bass when heard at the listening position.13. POWER RECEPTACLE – Connect the included power cord to this receptacle.14. POWER SWITCH – Set this switch to the ON position to operate the subwoofer. Set this switch to theOFF position when the subwoofer is not in use.13912111468710