• Superb audio specifications
• 66 dB of gain, in eleven discrete steps
• Transformer-balanced input and output
• Phantom power – 48 volt or 12 volt
• High pass filter @ 80 Hz or 160 Hz, 6 dB/octave
• Limiter makes unit virtually “unclippable”
• High current line output drive
• Excellent immunity to RF interference.
• Battery power (two x AA)
• Durable mechanical construction

Specifications:Frequency Response20 Hz to 22 kHz, +0.1, -0.5 dB; -1 dB at 50 kHz (relative to 1 kHz level with 150 ohm source)Gain0 dB to 66 dB input to output (switch selectable)Gain Accuracy+0.6, -0.1 dB with reference to front panel gain markings (150 ohm source, 100k ohm load impedances)Equivalent Input Noise-126 dBu (-128 dBV) maximum (150 ohm source, flat weighting, 22 – 22 kHz bandwidth, gain setting 36 dB or greater)Input Clipping Level+4 dBu minimum at the 0 or +18 dB gain settingOutput Clipping Level+22 dBu minimum with 100k ohm load+2- dBu minimum with 600 ohm loadDynamic Range122 dB minimum at the +18 dB gain settingTHD + Noise0.05% maximum (from 50 Hz to 22 kHz @ +4 dBu output level, +46 dB gain setting)Common Mode Rejection Ratio100 dB minimum at 80 Hz, 60 dB minimum at 10 kHzInputTransformer-balanced, 2k ohm input impedanceOutputTransformer-balanced, 130 ohm output impedanceLow Cut80 Hz or 160 Hz (switch selectable), 6 dB per octavePhantom Power12 V or 48 V (switch selectable) per DIN 45 596 specificationLimiterLimits to +17 dBu output level 10:1 limiting ratio; 5 mS attack time, 100 mS release time; Amber/Red LED indicates limiting/clippingInternal Voltage Rails±15 V, regulatedPower2 AA batteries, 24 hours life typical with +4 dBu signal into 600 ohms, no phantom powerPower LEDGreen indicates power and good battery. Red indicates power and low battery. LED turns red when approximately 4 hour of battery life remain.PolarityMic input to line output is non-inverting.Operating Temperature Range0 to 70 degrees C, 32 to 160 degrees FDimensions43 mm x 94 mm x 140 mm (h x w x d), (1.7″ x 3.7″ x 5.55″)Weight (unit only)0.56 kg, 1.24 lbs.Weight (packaged)0.86 kg, 1.90 lbs.CertificationsMeets FCC Part 15 Class B, eligible to bear CE markIn the Box: