Discontinued Headphone Amplifiers

• Portable Headphone Amplifier and DAC
• Supports Up to 24-Bit/96 kHz
• Plug-and-Play: No Batteries & No Drivers
• Headphone Drive Ability: 16 to 100 Ohm
• Includes USB Cable
• Weighs a Mere 0.38 oz (11g)
• Frequency Response: 20 Hz to 20 kHz

• Light and compact design
• 30-pin Apple™ iPod, iPhone and iPad connector
• High quality sound
• Color: Black

• Headphone Amplifier
• 2 Mini-Jack Outputs
• Compact Design
• Compatible with any Headphone with a 3.5mm Mini-Jack Connection
• Small, Durable Casing
• Battery Powered
• White

• 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

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

• 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

• 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

• Selectable Bass Boost
• Front-Panel 1/8" Headphone Output
• Coaxial Digital Output
• 1/8" Line Output
• Micro USB Connector
• Color: Black

• Rechargeable Portable Headphone Amplifier
• Exclusive Bass Boost Toggle Switch
• Increases Sound Up to 9.4dB
• DC Auxiliary Power Input Jack
• NiMH Battery for Reliable Power

• Rechargeable Altoid Mint Tin Portable Headphone Amplifier
• Exclusive Bass Boost Toggle Switch
• Increases Sound Up to 9.4dB
• DC Auxiliary Power Input Jack
• NiMH Battery for Reliable Power

• 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

• 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

• Portable Headphone Amplifier
• Exclusive Bass Boost
• DC Auxiliary Power Input Jack
• Standard 9V battery
• Volume Adjustment Knob

• Portable Headphone Amplifier
• Standard 3.5mm Headphone Jack
• Charges Via Micro USB
• Selectable Gain
• Black

• Portable USB DAC and Headphone Amplifier
• Adjustable Treble, Bass, Gain and Channel Balance
• LED Display
• Micro USB input port
• Multifunction Volume Wheel
• Standard 3.5mm Line-in Port
• Battery Life: 15 Hrs

• Ultra-compact 4-channel Stereo Headphone Amplifier
• 4 Independent Stereo High-power Amplifier Sections With Individual Volume Control
• Highest Audio Quality With Almost Any And All Types Of Headphones Even At Maximum Volume
• Durable Construction Ensures Long Life

• Headphone Amplifier • Built-In Power Supply
• Two 6.5mm Headphone Outputs
• Solid All-Metal Housing
• Open and Transparent Sound
• Also Suitable for 600 Ohm Headphones

• Metal Shell Portable Headphone Amplifier
• Get Enhanced Audio Output From An Iphone, Along With Switchable Bass Boost
• In-line Controls For Music And Phone Calls For Iphone
• Built In Lithium Ion Battery Lasts For Up To 10 Hours Of Normal Use

• Portable Headphone Amplifier
• Standard 3.5mm Headphone Jack
• Charges Via Micro USB
• Selectable Gain
• White

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