Model 6301-series have been on the market since 1982 as the standard active monitor speaker in the broadcast and production facilities and now we have re-design the speakers with the latest D-class power amplifier and new driver unit featuring energy saving auto stand-by function. The electrically balanced version used to be offered only in North America, but now worldwide.Main Features:20W D-class power amplifier for higher output level and less power consumption with no heat sinkDedicated 4-inch full range driver for clear audio reproductionTraditional rugged enclosure of aluminum die-cast with the physically identical height and width to the current B-seriesFlat panel design to avoid inadvertent power-off or level changeAuto Stand-by mode (compliant to ErP directive) for energy savingDetachable IEC type power inlet with multi-voltage power handlingNewly designed mounting bracket (EB-6301) for wall mounting with variable angle adjustmentsSpecifications:- SPEAKER SECTIONEnclosure type: closedUnit: 4 full rangeFrequency response: 70 Hz 15k HzSound Pressure Level: 85dB / W (1m)Maximum SPL: 98dB- AMPLIFIER SECTIONInputsAll Models: Connector: 1/4 TS Phone (unbalanced) Input Impedance: 10k ohm or more6301NX Connector: XLR-3-31 (transformer balanced) Input Impedance: 10k ohm or more6301NE Connector: XLR-3-31 (electrically balanced) Input Impedance: 10k ohm or more6301ND Connector: XLR-3-31 (IEC 60958 AES/EBU) Input Impedance: 110 ohm or moreOutput (Thru)6301ND Connector: XLR-3-32 (IEC 60958 AES/EBU)Rated Output: 20WDistortion (T.H.D.): 0.05% (1kHz / 1W output)Residual Noise: -70dBV or less (NB/NE/NX) -65dBV or less (ND)Input Sensitivity: 1/4 TS phone: -14dBV (0.2Vr.m.s.) XLR: +4dBu (1.2Vr.m.s.) XLR(Digital): -12dBFSAuto Stand-by: active after approx. 25 min. of continuous input lower than the threshold level- GENERALDimensions: 120 (W) x 189 (H) x 120 (D) mmWeight: NB/NE/ND: 2.2kgs NX 2.3kgsPower Requirement: AC 100 240V (50/60Hz)Power Consumption: 10W (less than 0.5W in stand-by mode)