Discontinued Headphone Amplifiers

• Portable Headphone Amplifier
• Slim And Sleek Design For Maximum Portability
• Rechargable Li-ploymer Battery With +11 Voltage
• Charging Indicator For Added User Convenience

• Headphone Amplifier Connects to iPhone/iPod Dock
• In-Line Controls
• Suitable headphone Impedance: 16 Ohm - 300 Ohm
• Frequency Response: 10 Hz - 80000 Hz
• No Charging Necessary

• Mono Block Headphone Amplifier
• 150 Watt Peak Power Output
• Designed for Use with All Audio Players
• 1 Channel Speaker Audio Output
• 4 Ohm Stable
• Weight :0.38 lbs.

• Headphone Amplifier Connects to iPhone/iPod Dock
• In-Line Controls
• Suitable headphone Impedance: 16 Ohm - 300 Ohm
• Frequency Response: 10 Hz - 80000 Hz
• No Charging Necessary
•

AAA Powered Portable Headphone Amplifier • Single Input and Output • Frequency Response: 10Hz-40,000Hz • Surface Light On/Off

• Headphone Selector Box
• Connect up to Four Devices
• Audio input: Four 3.5mm (switchable)
• Audio output: 3.5mm or 6.5mm

• 2 Channel Headphone Amplifier
• 300 Watt Peak Power Output (150w x 2)
• Designed for Use with All Audio Players
• 2 Channel Speaker Audio Output
• 4 Ohm Stable
• Weight :0.38 lbs.

• IEM Special Edition Portable Headphone Amplifier
• Op-Amp Combo for Low Distortion Audio
• Special Metal Film Resistors
• Optimized Sound Tuning
• Internal Rechargeable Battery

• Headphone Amplifier Connects to iPhone/iPod Dock
• In-Line Controls
• Suitable headphone Impedance: 16 Ohm - 300 Ohm
• Frequency Response: 10 Hz - 80000 Hz
• No Charging Necessary
•

• Digital Portable Headphone Amplifier
• Four EQ modes (Flat, BASS1, BASS2, BASS3)
• Convenient 3.5 mm Aux Input Ideal for Devices Such as iPods, Phones and Music Players
• Attractive Silver, Brushed Metal Finish with Digital Volume Control
• 3-color status LED for clear indications

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

• 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
• Battery Powered

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

• Light and Compact Design
• Runs On One AAA Battery
• 30-pin Apple™ iPod, iPhone and iPad Connector

• 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

• Ultra-Compact 4-Channel Stereo Headphone Amplifier
• 4 Independent Stereo High-Power Amplifier Sections
• Durable Construction
• Made with High-Quality Components
• 4 x Level Knobs
• 4 Individual Volume Control

• Novel Headphone Amplifier
• High Quality Components
• Smooth Volume Adjustment
• Powerful Bass Boost
• 9v or 9-24V Regulated DC Adapter

• 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

• Three Level Bass Boost
• Two Level Gain
• Maximum Output: 300mW
• Recommended Impedance: 16-300 Ohm

• 3-Way Audio Splitter
• Battery Powered for Portability
• USB Powered for Home and Office Use
• 3.5mm Input/Outputs

• 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 •

• 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