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Ultra-thin grey aluminium and glass DAC amp with magnetic back

Khadas

Khadas Tea Portable Headphone Amplifier DAC Grey

SKU CH-S1BB-KFPR5

Ultra-thin magnetic headphone amplifier with ESS ES9281AC Pro DAC, Bluetooth 5.0 LDAC, 1160mAh battery for eight hours playback

  • Ultra-thin 7.95 mm profile clings magnetically to compatible phones
  • ESS ES9281AC Pro DAC delivers 0.000355 % THD+N at 300 Ω
  • Bluetooth 5.0 with Qualcomm QCC5125 supports LDAC and aptX HD up to 24-bit 96 kHz
  • USB audio handles 32-bit 384 kHz PCM and native DSD 256 plus MQA rendering
  • 1160 mAh battery provides up to 8 hours playback without draining the phone

Ultra-Thin Portable DAC Amp

The Khadas Tea is a pocket-sized headphone amplifier and DAC that magnetically attaches to a smartphone. It uses an ESS ES9281AC Pro converter and Qualcomm QCC5125 Bluetooth 5.0 to deliver high-resolution audio from streaming services. A 1160mAh battery provides up to 8 hours of playback while preserving the phone’s charge. The aluminium-and-glass body measures just 7.95 mm at its thinnest point.

For Mobile Listeners; Not For Wired-Only Setups

This unit suits iPhone 12, 13 or newer users and Android owners with OTG support who want lossless streaming and LDAC 24-bit 96KHz wireless quality. The magnetic clamp works with MagSafe-compatible cases. Buyers needing a desktop DAC with multiple inputs, balanced outputs or higher USB sample rates than 32-bit 384KHz should look elsewhere. The built-in mic handles calls, but there is no dedicated line-level output stage.

32-bit 384KHz USB Decoding Decides Compatibility

The single specification that determines fit is the maximum USB sampling rate of 32-bit 384KHz PCM and DSD256 native support. If your source material exceeds this resolution or you require native DSD512, the Tea cannot render it. For standard high-res libraries and MQA rendering within these limits, the ESS ES9281AC Pro delivers THD+N of 0.000355% at 1 KHz into 300 ohms.

Highlights

  • Ultra-thin 7.95 mm profile clings magnetically to compatible phones
  • ESS ES9281AC Pro DAC delivers 0.000355 % THD+N at 300 Ω
  • Bluetooth 5.0 with Qualcomm QCC5125 supports LDAC and aptX HD up to 24-bit 96 kHz
  • USB audio handles 32-bit 384 kHz PCM and native DSD 256 plus MQA rendering
  • 1160 mAh battery provides up to 8 hours playback without draining the phone

Specifications

No published specifications for this item yet.

Questions about this item

What does the USB interface support in terms of bit depth and sample rate?

The USB connection handles up to 32bit 384KHz PCM and native DSD 256.

What are the physical dimensions and weight of the device?

It measures 3.77 x 2.51 x 0.25 inches at its thinnest point and weighs 0.16 lb.

How is the unit attached to a phone and what is required for magnetic mounting?

A magnetic function clings to the back of the phone; iPhone 12, 13 series or newer or a magnetic case is required.

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