Discontinued Headphone Amplifiers

• All Sport In-Ear Headphones
• Woven Synthetic Fiber Cable
• Slim three-button Mic and Remote System
• Built-in Clothing Clip
• High Efficiency
• Patented Oval Ear Tips
• USB Rechargeable Lithium Ion Battery
• 1/8" (3.5mm) Mini Jack Output/Input
• Volume Control
• Bass Boost Mode
• Convenient Clip

• Audiophile Grade In-Ear Headphones
• Changeable silicone ear tips (XS, S, M, L)
• Custom 8 mm Neodymium High-performance Drivers
• 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

• 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 •

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• Black

• 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

• All Sport In-Ear Headphones
• Woven Synthetic Fiber Cable
• Slim three-button Mic and Remote System
• Built-in Clothing Clip
• High Efficiency
• Patented Oval Ear Tips
• 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

• Dual Magnet, Dynamic Moving Coil Micro Speaker
• Three-Button Remote + Mic For iOS Devices
• Flat Tangle-Resistant Cable
• Patented Oval Ear Tips
• Comes With Carrying Case, Clothing Clip And 4 Pairs of Ear Tips
• USB Rechargeable Lithium Ion Battery
• 1/8" (3.5mm) Mini Jack Output/Input
• Volume Control
• Bass Boost Mode
• Convenient Clip

• 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

• Directly heated triode with single-ended circuit topology
• Minimal, portable design
• Up to 10 hour battery life : 3 Hour charge time
• High power full discrete direct energy solid-state output stage
• Zero global feedback design
• Hand selected military grade subminiature valve JAN6418
• Military and audio grade passive components

• 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

• Dual Magnet, Dynamic Moving Coil Micro Speaker
• Three-Button Remote + Mic For iOS Devices
• Flat Tangle-Resistant Cable
• Patented Oval Ear Tips
• Comes With Carrying Case, Clothing Clip And 4 Pairs of Ear Tips
• USB Rechargeable Lithium Ion Battery
• 1/8" (3.5mm) Mini Jack Output/Input
• Volume Control
• Bass Boost Mode
• Convenient Clip

• Designed for the Music Loving Smartphone Owner
• works with your iPhone, Android or Windows Phone
• Charges in just 4 hours
• Two 3.5mm Analogue Outputs
• Studio Over-ear Headphones with Carrying Case
• Cushion Earpads Provide Superior Comfort For Long Listening Sessions
• Large 42mm Neodymium Drivers Bring Depth & Dimension To Music

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

• Wired Over-Ear Headphones
• High Fidelity Planar Magnetic Drivers
• Open Back Design for Spacious Sound Stage
• Sensitivity: 93dB
• Color: Smoky Gray
• USB-DAC Headphone Amplifier
• Two 6J1 Vacuum Tubes for its Input Stage
• Perfect Match for most PC-driven Audiophile Headphones