Ray Samuels Audio SR-71B Blackbird Fully Balanced Portable Headphone Amp
Type: Compact, battery powered headphone amplifier with fully balanced circuitry from input to output.
Accessories: As noted under “FEATURES”, above.
Inputs: Two switch selectable stereo analog inputs (one single-ended input via 3.5mm min-jack, one fully balanced input via miniature, square 4-pin connector).
Outputs: Two headphone outputs (one single-ended output via 3.5mm mini-jack, one fully balanced output via miniature, square 4-pin connector).
Other controls: dual (left/right) three-position master gain switches with setting for “Low”, “Medium”, and “High” gain; on/off switch; rotary volume control.
Power output: not specified.
Dimensions (H x W x D): .79” x 2.6” x 4.09” (includes depth of control knobs, switches, etc.).
Weight: Not specified.
Warranty: Li-ion batter pack, 3 years; amplifier, lifetime warranty.
Ray Samuels Audio