Premium hi-res DAC / amplifier-integrated headphones

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  • $ 399.99

Sony MDR-1ADAC/S Premium Hi-Res DAC / Amplifier-Integrated Headphones maximize your head-fi experience no matter the source or location. You can connect your smartphone, portable audio player, or PC. The internal battery delivers up to 7.5 hours of battery life, while passive mode can deliver conventional corded operation without a battery.      


  • Premium DAC supports full hi-res audio: PCM 192kHz / 24 bit, DSD 2.8 / 5.6MHz
  • Direct digital connection for PC, Walkman®, Xperia®, and Apple® devices
  • 2-in-1 Integrated Use: hi-res headphones + headphone DAC and amplifier
  • Sound reproduction up to 100kHz (for high resolution audio)
  • 40 mm ALCP diaphragms for articulate audio reproduction (3 - 100Hz)
  • Asynchronous precision USB clock for superior sound
  • S-master® HX digital amplifier for unparalleled sound
  • Passive use for normal corded operation without a battery
  • Ergonomic ear pads for powerful response and long-term comfort
  • Silver-coated OFC cable minimizes signal transmission loss
  • Beat Response Control for improved bass and transient response
  • Enfolding structure for wrap-around feel and improved acoustic seal
  • Inward axis structure delivers optimum fit
  • Silent joints won't disturb your audio experience
  • Auto input select: (iOs, USB, Walkman, Xperia) digital and analog input
  • Built-in Lithium-ion battery for up to 7.5 hours on-the-go playback
  • Supplied: USB and Walkman, Xperia, Lightning Connectors, standard audio cables, and carrying pouch 
  • Amplifier Inputs and Outputs: digital audio inputs (2): micro-USB (type AB for digital connection), micro-USB (type B for PC connection and charging)
  • Audio Distortion: 0.01% or less
  • Driver Unit: 40 mm, dome type, aluminum-coated liquid crystal polymer diaphragm
  • Frequency Response: 4Hz - 40,000Hz (digital); 4Hz - 100,000Hz (analog)
  • Power Handling Capacity: 1500mW (IEC)
  • Sensitivity: 102dB / mW
  • Volume Control: rotary
  • Case Type: carrying pouch
  • Design: over-the-head
  • Diaphragm: 40 mm, dome type, aluminum-coated liquid crystal polymer diaphragm
  • Headband: yes
  • Impedance: 24 ohms at 1kHz
  • Plug: gold-plated plugs: stereo mini and L-shaped four conductor mini
  • Power ON / OFF: integrated: rotary power / volume knob
  • Sensitivity: 102dB / mW
  • Type of Use: portable and home
  • Cord: single-sided; detachable
  • Headphone Type: closed, dynamic
  • Inputs: analog (1) stereo mini jack
  • Battery Charging: approx. 4 hours from empty to full charging via USB
  • LED: red battery charge LED on during charging; LED indicator turns off automatically once fully charged; green LED indicator during operation
  • Battery Life: approx. 7.5 hours (fully charged)
  • Power Handing: 1500mW (IEC)
  • Power Source: USB-direct, DC 3.7 V built-in Lithium-ion rechargeable battery
  • Speaker Impedance: 24 ohms at 1 kHz
  • Speaker Type: closed, dynamic
  • Cord Length: headphone connecting cable approx. 47 1/4"; Walkman® connecting cable approx. 47 1/4"; Xperia® connecting cable approx. 47 1/4"; lightning connector cable approx. 47 1/4"
  • Weight: approx. 10.58 oz without cable
  • In-the-Box: USB connector cable (1), Walkman connector cable, Xperia connecting cable, lightning connector cable, headphone connector cable, quick start guide (1), warranty card (1)
60-Day Money-Back Guarantee

We want you to love every item you purchase from SKY by Gramophone. If you are not satisfied with your purchase, you may return items that are complete and like-new for any reason within 60 days. You may choose an exchange or a refund for the full amount of the items you purchased*. Refunds must be issued to the same credit card, debit card, gift certificate, or other form of payment used in the original transaction.

SKY by Gamophone is an authorized dealer for all products we carry, which means manufacturer warranties are valid on every product purchased from us.

*Restocking fees apply for furniture, as well as for products without original packaging, missing accessories, and not in new or like-new condition.

(TVs excluded)

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