Up for auction is this mighty mini, an amazingly sounding and powerful little headphone amp. I have upgraded since getting it and therefor it is up for sale. Also, this unit is in pristine/mint condition and comes with everything you see pictured.

Here are some specs from the manufacturer, for more product details:

Frequency Response: 20Hz-20Khz, +/-0.01dB

Maximum Power, 16 ohms: 2.8W RMS per channel
Maximum Power, 32 ohms: 2.4W RMS per channel
Maximum Power, 50 ohms: 1.6W RMS per channel
Maximum Power, 300 ohms: 410mW RMS per channel
Maximum Power, 600 ohms: 215mW RMS per channel

THD+N:
High Gain: Less than 0.0002% (-112dB) ref 2V RMS at 300 ohms
Low Gain: Less than 0.0001% (-119dB) ref 2V RMS at 300 ohms

IMD:
High Gain: Less than -112dB at 1V RMS into 32 ohms, CCIF
Low Gain: Less than -115dB ref 1V RMS into 300 ohms, CCIF

SNR:
High Gain: Greater than 115dB, unweighted, ref 2V RMS
Low Gain: Greater than 123dB, unweighted, ref 2V RMS

Crosstalk: Less than -86dB, ref 1V out

Output Impedance: Less than 0.33 ohms at either gain

Input Impedance: 50k ohms minimum in all gains

Gain: -10dB, 0dB, or 15dB, selectable via front switch

Topology: OPA1656 op-amp for voltage gain with local feedback, OPA1656 (6 stages per channel) as output buffers with local loops, no overall loop feedback.

Protection: Transparent current sense and protect, DC sense and protect, ESD protect, failsafe DC power input and muting relay

Power Supply: “Wall wart” style 24VA 15VAC transformer, regulated +/- 16V rails with over 8,000uF filter capacitance

Power Consumption: 6W

Size: 5 x 3.5 x 1.25”

Weight: 1 lbs.

Please let me know if you have any questions and I will help answer them. Thanks for looking! :)