Headphone Amplifier

A lump of metal that fits in your hand.
This portable headphone amplifier is made entirely of machined aluminum except for the alloy of the clips.
Its round shape fits snugly in your hand and is operated by an intuitive 4-way input switch.
It operates battery-less with power supplied by the connected audio device.

Production Outline

Product Specifications

• Audio Characteristics: “SN ratio” 95dB, “Frequency response” 10Hz to 40kHz, “Distortion rate” 0.05% or less (10mW, 16Ω, 1kHz)
• Operating environment: “Supported OS” Windows 7, 8.x, Mac OS 10.6.5 or later, iOS 7 or later, Android OS 4 or later(*)*USB audio driver must be enabled* For connection to iOS (Lightning), please prepare separately Apple genuine USB camera adapter and USB A-micro USB cable.
• Maximum output level: 10mW+10mW (16Ω, 1kHz)
• Power source: USB bus-powered (USB power must be supplied by the device to be connected)
• Terminal: “Input” micro USB connector “Output” 3.5mm stereo mini jack
• Input cable length: 30cm (detachable)
• Product dimensions: approx. W45.6 x D45.6 x H13.3 (mm) including clip
• Product weight: approx. 24g
• Material: “Body” aluminum “Clip” stainless steel Accessories: micro USB OTG cable (30cm)
• Translated with www.DeepL.com/Translator (free version)

Award

Red Dot Design Award (Germany) iF Design Award (Germany)

Client

Deff Inc.

Taku Yahara

• Design Engineering
• Design Direction
• Product Design
• Product Production