Shure DFR22 Professional Reference Headphones

→ Frequency Response: 20 Hz to 20 kHz +/- 1 dB
→ Dynamic Range: 110 dB minimum, A-weighted, 20 Hz to 20 kHz
→ Sampling Rate: 48 kHz
→ Digital-to-Analog, Analog-to-Digital Conversion: 24 bit
→ Input Impedance: 10 kilohms
→ Output Impedance: 120 ohms
→ Input Clipping Level: +24 dBu minimum
→ Output Clipping Level: +24 dBu; +12 dBu (with 12 dB pad); +6 dBu (with 18 dB pad)
→ Total Harmonic Distortion: < 0.05%, +4 dBu, 20 Hz to 20 kHz
→ Propagation Delay from Input to Output: <1.5 ms
→ Polarity Input to output: non-inverting (inverting optional)
→ Operating Voltage: 100 to 240 Vac, 50/60 Hz (auto-switching), 1 A, maximum
→ Maximum Power Drain: 45W
→ Operating Temperature: -7 degrees to 49 degrees C (19 degrees to 120 degrees F)
→ Storage Temperature: -29 degrees to 74 degrees C (-20 degrees to 165 degrees F)
→ Dimensions: 482.6 mm x 247.7 mm x 44.4 mm (19 in. x 9.75 in. x 1.75 in.)
→ Weight: 2.83 kg (6.25 lbs)
→ DFR Automatic Feedback Reduction
→ Parametric and Graphic Equalizers
→ Cut/Shelf Equalizer
→ Compressors/Limiters
→ Automatic Gain Control
→ Gate/Downward Expander
→ Ducker
→ 2-Way Crossover
→ Subwoofer Processor
→ Splitter
→ Delay Processors
→ 2x2 Matrix Mixer