Khadas 5634 Tea DAC Bluetooth Headphone Amplifier User Guide

June 15, 2024
KHADAS

Khadas 5634 Tea DAC Bluetooth Headphone Amplifier User Guide
Bluetooth Headphone

INTERFACE DIAGRAM

INTERFACE DIAGRAM

On/Off /Play/Pause / Answer or Reject Calls / Hey Siri / Reconnect Bluetooth

Volume Up / Previous Track

Volume Down / Next Track

Toggle Between Track / Volume Mode

Enable / Disable smartphone recharging of Tea

3.5mm Single-Ended

USB-C Recharging / USB Data Input

RGB LED Indicator Light

Input: Smartphones / Tablets / PC

Connection: USB

Connection: Bluetooth

Tea: Headphone Amplifier

Output: 3.5mm Single-Ended

The indicator light will turn off when fully charged in power off state

Bluetooth Pairing

Bluetooth Paired

Play Music over Bluetooth

Play DSD Native over USB

Play MQA over USB

Play PCM over USB

Low Battery

Battery Recharging; when fully charged, the red indicator light will turn off

Mode Switch Confirmation

Long-press button for 3-seconds to power on,

Long-press button for 5-seconds to power off.

Pair with Tea from / within your Bluetooth Pairing. When Tea is powered off, long press for 6-seconds to pair with another device.
Bluetooth Pairing.

Buttons and can be switched between – volume mode and track mode by pressing buttons and simultaneously until the indicator light momentarily flashes cyan.

When Tea is connected via USB, toggle USB recharging by pressing buttons and simultaneously until the indicator light momentarily flashes cyan. The USB-C to C cable supports recharging, the Lightning USB to USB-C cable does not.
C cable does not.
Single press to accept incoming call (short press again to hang up)

Double-press to reject incoming call

When Tea is connected via Bluetooth, long-press button for 2-seconds to activate Siri.

When Tea is recharging, why doesn't the indicator light turn red?

Because Tea's battery is already fully charged.

Why does Tea power off automatically when no music is playing?

In order to maximise battery life, Tea will automatically turn off after 10 minutes when there is neither music playback nor any operation

Can I use my own Lightning to USB-C cable with Tea?

When playing MQA formatted audio, why doesn't the indicator light become

magenta in color?

Tea only supports MQA renderer. The light will only turn magenta in color when the music playback device can perform MQA core decoding.

Can I answer voice calls through Tea when my phone is connected?

Tea can only be used for voice calls when connected over Bluetooth. If connected over USB, disconnect the USB cable before making a call.

What types of smartphones can Tea attach to magnetically?

iPhone 12, 13 series or newer with built-in Massif; or the smartphone with a Massif case.

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