Discontinued Headphone Amplifiers

• Desktop Headphone Amplifier Can Be Paired To E17
• Input Selection Switch To Seamlessly Switch Sources
• Volume Control With Power Switch Knob And Indicator
• 3 Pairs Of Rca Sound Sound Source (pre-out, Line Out, Aux In)
• Gain Switch For Adjusted Gain Settings

• USB Powered Boostaroo Revolution Hi-Fi Headphone Audio Amplifier
• Up to Four Times more Volume than Previous Generations
• Increases Audio Clarity
• Two Individual Outputs
• Drives Headphones up to 600 Ohm, and PC Speakers

• Portable Headphone Amplifier
• 1/8" Stereo Headphone Output & Auxiliary Input
• Fully Discrete Bass Boost Circuit
• Easy to Use Rotary Volume Control & Toggle Switches
• Reinforced Battery Capacity

• Headphone Amplifier
• 3 Mini-Jack Outputs
• Increases the Volume up to 2x
• Compatible with any Headphone with a 3.5mm Mini-Jack Connection
• Small, Durable Casing
• Includes a Pair of Headphones
• Battery Powered

• 1/8" (3.5mm) Output
• Coaxial/Optical Input
• USB Recharge and DAC Port
• OLED Display
• 1/8" (3.5mm) Line-In Portable Amplification
• Rechargeable Lithium Ion Battery

• High-end portable DAC / headphone amplifier
• DAC with up to 24 bit Resolution
• LED Display for Charging, Operation and Volume
• Integrated rechargeable Battery
• Up to 11 hours Operating Time

• Class-A Amplifier Circuitry
• Single Output Gain Stage
• High Performance Alps Volume Control
• Color: Silver
• XLR Connectors for Balanced Headphone Mode

• USB/AC Powered Portable Audio Amplifier For Home, Office, Laptop, Or Kiosk
• Increases The Volume Of Any Player By 2x
• Works With Anything That Has A 3.5mm Headphone Jack And A USB Port
• Offers 3 Outputs Jacks For Use With 3 Headphones Or Speakers

1/8" (3.5mm) and 1/4" (6.35mm) Headphone Output Ports • Dock Connector for E7 USB DAC • Gain Switch • 1/8" (3.5mm) Sound Source Output • DC 15V Power Port •

• Two 1/8" (3.5mm) Outputs
• USB Recharge and DAC Port
• OLED Display
• 1/8" (3.5mm) Line-In Portable Amplification
• Rechargeable Lithium Ion Battery
• Extended 180 Day Exchange

• Item Condition: Open Box
• Headphone Amplifier
• Cigarette lighter adapter
• 2 Mini-Jack Outputs
• Compact Design
• Compatible with any Headphone with a 3.5mm Mini-Jack Connection
• Small, Durable Casing
• Black

• Portable Headphone Amplifier
• 2-Channel DAC
• Built-In Lithium-Ion Battery
• Micro USB and Stereo Mini Jack Connections
• Compatible with a Wide Range of Impedances

• Desktop Headphone Amplifier Can Be Paired To E17
• Input Selection Switch To Seamlessly Switch Sources
• Volume Control With Power Switch Knob And Indicator
• 3 Pairs Of Rca Sound Sound Source (pre-out, Line Out, Aux In)
• Gain Switch For Adjusted Gain Settings
• Extended 180 Day Exchange

• USB Rechargeable Lithium Ion Battery
• 1/8" (3.5mm) Mini Jack Output/Input
• Volume Control
• Bass Boost Mode
• Convenient Clip

• Portable Headphone Amplifier
• 1/8" Stereo Headphone Output & Auxiliary Input
• Fully Discrete Bass Boost Circuit
• Easy to Use Rotary Volume Control & Toggle Switches
• Reinforced Battery Capacity

• Compact Headphone Amplifier
• 4 Individual Channels with Volume Control
• 1/4" Connection
• Features 1 Input/4 Output
• Red power LED
• Signal-to-Noise: 90 dB

• Analog Headphone Amplifier
• Symmetrical Signal Processing
• Symmetrical Inputs and Outputs
• High-end ALPS Quadruple Potentiometer
• Variable Gain Factor (Five Stages)
• Sophisticated Metal Housing
• Solid Controls Turned from Solid Metal

• Audiophile Grade Class-A Headphone Amplifier & DAC
• Frequency Response: 20 Hz - 20,000 Hz
• Line Out Impedance: 50 ohm
• Output Power: 795mW at 33ohm, 465mW at 300ohm, 235mW at 600ohm
• Sample Rate: 16-32 Bit
• Gain: 0=0dB, 10=10dB, 20=20dB

• Use With Mobile Devices, Tablets, And Laptops
• Boosts Volume And Reduces Battery Draining
• Increases Your Headphone's Bass
• Metal Casing With Belt Clip
• Built-In Rechargeable Battery
• Includes USB Charging Cable And Two 1/8" Stereo Cables
• Color: Black

• Desktop USB DAC
• 24-Bit/96 kHz
• TOCOS Volume Control
• Analog RCA, Digital Coaxial, and 3.5mm Outputs
• USB Bus Powered, 80 mA/5V