HPA-55L

Portable Headphone Amplifier 

Specifications:

.Max. Power Output

 2x300mW (Single-end output loading: 16Ω)

 2x1000mW (Balanced Output loading: 16Ω)

.Frequency response: 10Hz-30kHz

.S/N Ratio: 98dB

.Max. Power Consumption: 3500mW

.Working hours of Batteries (Fully Charged); Over 12 Hours

.Input port: 3.5mm phono jack

.Headphone Output port:

 3.5mm single-end phono jack output x1

 3.5mm Balanced phono jack output x1

.Input Impedance: 47kΩ

.Output Internal resistance: 5Ω (Single-end), 10Ω (Balanced)

.Damping Factor: 7

.Q Factor: 0.75

.Max. Signal input level: 3V (RMS)

.DV charging Power Supply: DC 12V 500ma

.Batteries rechargeable life time: over 500 times