Discontinued Headphone Amplifiers

Full-Featured Headphone Surround Sound Amplifier • Dolby 7.1 • Optical Output • Rotary Mixer Knob • 3 DSP Modes • Monster OTIMIZER • Rechargeable Lithium Polymer Battery

• Audiophile Grade Portable Headphone Amplifier
• Up to 14 Hours of Play Time with Built-In Rechargeable Battery
• DC Coupled Signal Path Ensures Low Noise with High Channel Accuracy
• Dual LDO Power Regulation Provides Ultra-Low Digital Noise
• Audibly Perfect Channel Balance Delivers Smooth Volume Adjustments & Consistency
• Primary Color: Slate (Silver)

• Master & Dynamic MH30 S5 Foldable On-Ear Headphone
• Stainless steel components in all high strain areas
• 40 mm Neodymium High-Performance Drivers
• Forged Aluminum Body Built for decades of use
• 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
• • Wired Lightweight (Isolating) Stereo Headphones
• Large 13 mm Titanium Speaker Driver
• Designed with a Snug Fit for Active People
• Frequency Response: 20-30,000 Hz
• Nominal Impedance: 16 Ohm

• Portable USB DAC and Headphone Amplifier for Mac and PC
• USB 2.0 Connection to Mac and PC
• Up to 24 bit /192kHz audio
• Up to 24 bit / 192kHz audio
• ESS Sabre DAC
• Open-back, over-the-ear design
• Large Dynamic Speaker Driver
• De-stressed" Diaphragms and an Eight Conductor Connecting Cable
• Ultra-high purity, Long-Crystal Copper (UHPLC) Voice Coil Wire

• 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

• 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
• Extended 180 Day Exchange

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

• 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

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

• 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
• Extended 180 Day Exchange

• 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
• Extended 180 Day Exchange

• Audiophile Grade Desktop Headphone Amplifier
• Dual 1/4" Headphone Connections
• Designed for Headphones Between 16 and 600 ohm
• Separate Impedance and Sensitivity Adjustments
• Dual Stereo Inputs
• Wireless IR Remote Controller
• Sleek, Durable Aluminum Construction

• Vacuum Tube Headphone Amp/DAC
• Uses 2 6J1 Vacuum Tubes
• Burr Brown PCM2702 DAC
• 2 Rear Inputs & Front 1/4" Headphone Jack
• Wired On-Ear Headphones
• Dynamic Diver Transducer
• Prestige Series
• Sensitivity: 99dB
• Vented Diaphragms

• Heavy-grain Premium Leather
• Soft Lambskin on Headband Interior and Earpads
• Stainless Steel Components
• Custom 40 mm Neodymium High-performance Drivers
• Forged Aluminum Body
• Desktop USB DAC
• 24-Bit/96 kHz
• TOCOS Volume Control
• Analog RCA, Digital Coaxial, and 3.5mm Outputs
• USB Bus Powered, 80 mA/5V

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 • USB/AC Powered

• 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 • Low Battery Indication • USB Powered Smart Charging • Bass Boost • Dual Gain

• High quality 32-bit DAC (AKM4480) and headphone amp
• USB Powered Operation also Available
• Lithium-Ion Rechargeable Battery (approx 7 hours)
• Hi/Mid/Low 3-step Gain Control
• Auxiliary Analog Line Input for other MP3 Players