HIFIMAN HE560 + Beyerdynamic A 20

General Features:

• Wired Over-Ear Headphones
• Open-back design provides exceptionally spacious sound
• Premium planar magnetic drivers produce warm, detailed sound with minimal distortion
• Teak wood earcups with plush leather and velour earpads
• Lightweight design
• Adjustable headband for comfortable listening sessions
• Comes with premium wood display case
• Primary Color: Black
• Accent Colors: Teak Wood
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

Product Specifications:

• Frequency Response: 15-50,000 Hz
• Sensitivity: 90dB
• Nominal Impedance: 350 Ohm
• Cable:
• Detachable: Yes
• Screw-on connectors for each earcup provide a secure connection
• Cord Length: 6.5 ft. (1.9 m)
• Plug Size: 1/4"

What's in the Box?

1. HIFIMAN HE-560 Premium Over-Ear Headphones
2. 78" Audio Cable
3. User Guide (Not Pictured)
4. Serial Number Card (Not Pictured)

Note: HiFiMAN products can only be shipped to customers in the United States

Also found as: HE560

General Features:

• Beyerdynamic A20 Premium Headphone Desktop Amplifier
• Dual 1/4 Inch headphone jacks on the front allows two people to listen without an adapter cable
• RCA input can be easily daisy-chained without loss to run a second Amp for twice the power
• High gain RCA input works easily with most sources
• Built-in wide-range switched-mode power supply for improved power use and a steady output
• Brushed aluminum, all-metal housing with no visible screws makes this a beautiful sleek looking desktop Amplifier as impressive to look at as it sounds
• The wide frequency range (10 Hz - 100 kHz) and high max power output (170 mW, 250 Ohm) provide a dynamic, open and precise sound
• Provides a sufficient amount of power for most any high-impedance audiophile headphones on the market
• Equipped with original ALPS potentiometer for variable volume control
• Designed for use with headphones with an impedance rating of 30 - 600 Ohm
• Recommended Premium Stereo Headphones: Beyerdynamic T90 and Beyerdynamic T70
• Primary Color Tone: Brushed Aluminum
• Manufacturer Part Number: Beyerdynamic 716014
• Also Found As: Beyerdynamic A20 (716014)
• Authorized Beyerdynamic Retailer
• 2 Year Manufacturer's Warranty

Technical Features

• Audio Connections: 2 headphone sockets, 1/4" stereo jack, 1 line output and 1 audio input via RCA phono sockets
• Output Power:
• 100 mW at 600 Ohm
• 170 mW at 250 Ohm
• 150 mW at 30 Ohm
• Input Impedance: 25 kOhm
• Maximum Amplification: 18 dB
• Frequency Response: 10 - 100,000 Hz
• Total Harmonic Distortion: 0.01% @ 170 mW / 250 Ohm
• Channel Separation: >80 dB at 1kHz / 250 ohm
• Signal-to-Noise Ratio: >100 dB (unweighted)
• Output Impedance: Headphone Output 100 ohm
• Input Voltage: 100-240V AC / 50/60Hz
• Power Consumption: <10 W via integrated switching power supply
• Ambient Temperature: +10 degrees Celsius to +40 degrees Celsius
• Humidity: < 90%
• Approximate Product Dimensions (Unit Only): 6.46" x 7.64" x 1.89 Inches (164 mm x 194 mm x 48 mm)
• Approximate Product Dimensions (Including Connections & Rubber Feet): 6.46" x 8.35" x 2.17 Inches (164 mm x 212 m x 55 mm)
• Approximate Weight: 3.62 Pounds (1640 Grams)

What's in the Box?

• A 20 Headphone Amplifier
• 10A 125V Wall Plug
• 10A 250V Wall Plug
• Safety Information Pamphlet
• Operating Instructions
• 2-Year Authorized Warranty Information