Nobsound® Little Bear P-1 Class A 12AU7 Tube Multi-Hybrid Headphone Amplifier Pre Amplifier

Technical specification: Input Power: DC24V 900mA Input Sensitivity:50mV Input Impedance: 100KOhm Output Impedance:12~600 Ohm Dynamic range: 84.6dBA((300 ohm) 89.8dBA(33 ohm) Gain:20dB Frequency response:10Hz-60KHz +/- 0.25dB MinimumSale Price:$60.00Read More[amazon-product-reviews]

Bravo Audio V2 Class A 12AU7 Tube Multi-Hybrid Headphone Amplifier

Enjoy the pure, non-fatiguing sound of Class A amplification with the Bravo V2 headphoneSale Price:$67.99Read More[amazon-product-reviews]