Balanced output | Supports Bluetooth 5.0
    High-performance AK4377A DAC*2丨CSR8675
    Supports LDAC/aptX HD lossless Bluetooth codecs

     

    BTR3K-Balanced HiFi Bluetooth Amp

    注:產品配圖僅供參考,一切以實物為準

    The product picture is for reference only

    Flexibility specialist

    Adapts to various kinds of
    wired headphones

    The BTR3K can automatically tell what kind of headphones you
    plugged into it and adjusts its output accordingly. And when
    you plug in headphones with CTIA controls, you can use the
    microphone as well as the play/pause, volume, and track
    selection controls.

    The Qualcomm CSR8675 Bluetooth chip used in the BTR3K is
    a premium low-power solution designed for enhanced audio
    applications, with a 120 MHz DSP, support for 24-bit transmission
    and processing as well as abilities to decode multiple lossless
    Bluetooth codecs. No matter whether you watching videos,
    listening to music, or enjoying your favorite game, this chip
    will ensure you get excellent sound quality.

    A robust inner core

     

    Qualcomm CSR8675
    Flagship-level Bluetooth abilities

     

     

    Captivating you through your fingers

    Silky smooth surface

    The aluminum alloy body wrapped elegantly in an arc of 2.5D
    glass like that used in the latest smartphones, the oleophobic
    coating that keeps off fingerprints, the high contrast black
    lettering and the smooth texture give the compact BTR3K an
    elegant look that would not be out of place in a specialty
    artisan's shop.

    Quick and convenient
    volume control

     

    When you connect the BTR3K to your Bluetooth device, the
    device's volume and the BTR3k's volume can be adjusted
    separately, allowing you to better fine-tune the volume to your
    needs. The BTR3K also remembers your desired volume, so you
    don't have to adjust the volume to where you want it every
    time you use the device.

    You should be able to take your music with you wherever.

    The BTR3K comes with a symmetrical, detachable rear clip that allows you to easily carry it around.

    Free to go with

    you wherever

    Volume Adjustment

    Can be adjusted independently from phone volume

    Bluetooth Profiles

    A2DP (enhanced),AVRCP,HFP,HSP

    Bluetooth codec support

    SBC/AAC/aptX/aptX LL/aptX HD/LDAC

    Bluetooth Chip

    CSR8675

    DAC

    AK4377A*2

    Amplifier

    USB DAC

    Supported

    Power/Pairing Button

    Yes

    Dedicated Pairing and Play Buttons

    Yes

    Dedicated Volume Buttons

    Yes

    Reception Range

    Approx. 30 m (unobstructed),LDAC (quality priority 4 m)

    Format Indicator

    SBC:Blue、AAC:Cyan、aptX HD:Yellow

    aptX/aptX LL:Purple、LDAC:White

    Hands-free Calling with Microphone

    Supported

    Voice Assistant Activation

    Supported

    In-line Controls

    Supported

    NFC

    Not supported

    Audio Outputs

    2.5mm、3.5mm headphone jacks

    USB Connector

    Type-C

    Battery

    330mAh

    Battery Life

    Approx. 11 hours

    Charging Time

    1.5 hours

    Check battery on mobledevice

    Supported (Android device support for functionality will vary)

    Auto Standby if no audio signal

    Supported

    Dimensions

    58×25×11mm

    Weight

    23.5g

    Included in Package

    Manual and warranty Card, USB Type-C cable, rear clip, lanyard

    Parameters

    Exercise

    The BTR3K can be paired with and remember up to two
    Bluetooth devices at once, allowing for even more convenience.
    Simply use whichever device you want to pair the BTR3K anytime
    without hassle!

    Great connection convenience

    Supports pairing to 2 devices simultaneously

    Simply use the BTR3K to call up your smartphone's assistant
    without even having to pull it out.

    Give a holler when you
    need help

    With two high-performance AK4377A DACs, the power output
    has increased by 50% compared to the AK4376 used in the
    BTR3 as well as greatly improved measurements and actual
    sound.

    Robust, full-bodied sound
    High performance AK4377A DACs

    -107dB

    Distortion

    122dB

    S/N Ratio

    78mW

    Output power
    balanced

    25mW

    Output power
    SE

    Building off of what made the BTR3 so good, the BTR3K
    implements balanced output. It is a truly balanced design, with
    a DAC and amplifier carefully paired for the left and right
    channels each, for the purest sound possible.

    Now with balanced and SE output

    Incredible performance gains

    Independent dual crystal oscillators
    for accurate audio reproduction

    The dual crystal oscillator system in the BTR5 also comes to
    the BTR3K! The 22.5792M/24.576 MHz dual crystal oscillators
    mean that during Bluetooth and USB decoding, the BTR3K can
    more accurately reproduce audio signals under various sampling
    rates – due to greatly reduced jitter and greatly increased audio
    stability.

    The built-in amplifier in the BTR3k not only ensures your music
    sounds good, but that your calls do too. To further enhance
    your calling experience the BTR3k is not only equipped with
    omnidirectional microphone and phone controls, it is also
    equipped with the eight generation Qualcomm's cVc noise
    cancellation technology, which effectively suppresses
    background noise so that your call comes through as clear
    and audible as possible.

    Crystal-clear calls
    free of noise

    The BTR3K upgrades to Bluetooth 5.0, which means faster
    pairing and more stable signal strength for a better overall
    experience. It fully supports AAC/SBC/aptX/aptX LL/aptX HD/LDAC audio formats that you’ll get the best sound

    quality possible from the BTR3K.

    Speedy Bluetooth

    connection

    When your device is connected to the BTR3K and is using the
    FiiO Music app to play music, the BTR3K can be remotely
    controlled with the following functions.

    Intelligently puts your
    music at your fingertips

    With so many Bluetooth formats being used in various places,
    the RGB light indicator quickly tells you which format is currently
    being utilized.

    An extremely useful little light

    Blue light: SBC

    Cyan light: AAC

    Purple light: aptX/aptX LL

    Yellow light: aptX HD

    White light: LDAC

    You can listen while charging with the USB Type-C connector.
    As a matter of fact, the BTR3K takes only 1.5 hours to fully charge
    but allows for a lengthy 11 hours of playback!

    Listen and charge
    with Type-C

    Exercise

     

    BTR3、BTR5、ES100 Comparison

    item FiiO BTR5 FiiO BTR3k FiiO BTR3 Earstudio ES100/MK2
           
    Bluetooth BT Chip CSR8675 CSR8675 CSR8675 CSR8675
    BT Version BT5.0 BT5.0 BT4.2 BT5.0
    Format SBC、AAC、aptX、aptX-LL、aptX-HD、LDAC SBC、AAC、aptX、aptX-LL、aptX-HD、LDAC SBC、AAC、aptX、aptX-LL、aptX-HD、LDAC、LHDC SBC、AAC、aptX,aptX-HD、LDAC
    USB DAC USB Interface Xmos xuf208
    384k/32bit;DSD256
    CSR CSR CSR
    USB AUDIO CLASS Class 2 Class 1 Class 1 Class 1
    Audio performance Dual audio clock FPGA+45.1584M/49.152M 24.576M/22.5792M × ×
    Audio DAC ES9218P*2 AK4377A*2 AK4376A AK4375A*2
    Gain H/L × × ×
    3.5mm HP out 80mW@32Ω 25mW@32Ω 25mW@32Ω 35mW@32Ω
    2.5mm Balanced out 220mW@32Ω 78mW@32Ω × 100mW@32Ω
    Noise floor (Balanced out) 3.3uV 2uV × 6uV
    Crosstalk (Balanced out) 123dB(1KHz) 118dB(1KHz) × 106dB(1KHz)
    SNR (A-weighted) 121 122 120 110
      Phase shift (Balanced out) 0.08deg(10KHz) 0.03deg(10KHz) × 21.53deg(10KHz)
    Others Indicator&Display Matrix OLED 64*32 RGB LED RGB LED RGB LED
    In-line remote control support × ×
    USB type Type C Type C Type C Micro B
    Battery 550mAh 330mAh 300mAh 350mAh
    Working Time SE: 9h SE:11h 11h SE: 14h
    Material Aluminium alloy+Glass Aluminium alloy+Glass Aluminium alloy+Glass Plastic
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