FiiO

FiiO BTR5 2021 Portable Hi-Fi Bluetooth DAC/Amp

$119.99

The BTR5 2021 is FiiO's flagship portable Bluetooth DAC/Amp. With an updated ESS Hyperstream III DAC chip, better performance, and MQA support, the 2021 version takes the popular pocketable to new heights.

Portable is an understatement

The BTR5 2021 is small. Like, just barely win a height contest to a golf tee small. Share a weight class with a toothbrush small. At 2.8” on its longest side and weighing just over an ounce, the BTR5 2021 can share a pocket with your phone and you might not even notice it. 

The Double DAC

Don’t let its humble dimensions fool you: the BTR5 2021 packs a punch. Its two ESS SABRE ES9219C digital-to-analog converters (DACs) boast -114dB THD+N and 130dB SNR.

It's all in the balance

The BTR5 2021 has both balanced and single-ended outputs. In its balanced audio architecture, each channel is driven separately with its own DAC and amplifier, ensuring unmatched finesse.

Asynchronous decoding

With an XMOS XUF208 control chip, the BTR5 2021 is capable of asynchronous audio decoding via USB. It can decode up to 384kHz and Native DSD.

State-of-the art Bluetooth 5.0 

Gone are the days of lousy bluetooth downsampling. Boasting Qualcomm’s flagship Bluetooth 5.0 chip, the CSR 8675, the BTR5 2021 supports 24-bit transmission of lossless codecs: AAC, SBC, aptX, aptX LL, aptX HD, and LDAC.

MQA mode

A new addition to the BTR5 2021 is support for MQA, allowing for high-res, master-level sound quality in reasonably-sized files that are suited for your mobile device.

Independent dual crystal oscillators 

If you’re going to decode massive 24-bit lossless codecs, you better have a plan for reproducing them accurately. Fortunately, the BTR5 2021 includes dual crystal oscillators. These 45.1584/49.152 crystals eliminate jitter for a super stable sonic experience. 

Supercharged

With a built-in 550mAh battery, the BTR5 2021 only takes an hour and a half to fully charge but lasts up to nine hours!

Crystal clear calls

Take a phone call with the BTR5 2021's built-in omnidirectional microphone or use an external 3.5mm headset. Either mic benefits from cVc 8.0 noise cancellation technology, which intelligently adjusts the microphone gain and effectively suppresses background noise for crystal clear calls.

Auto USB mode

When a USB connection is detected, the BTR5 2021 will automatically prompt you to turn on "USB Audio Adapter" mode, which turns off charging to the BTR5 2021 and allows you to use it as an audio dongle for your phone or other devices.

Product highlights

  • High performance ESS ES9219C x2 DACs
  • MQA support
  • CSR8675 Bluetooth chip supports 24-bit audio
  • Dual crystal oscillators
  • XMOS XUF208 USB chip supports up to 384kHz, DSD256
  • USB audio adapter mode
  • OLED display
  • 3.5mm + 2.5mm dual outputs
  • FiiO music app
  • In-vehicle mode automatically turns on and off with your car

Specs

  • Audio DAC: ESS HyperStream III ES9219C x2
  • Bluetooth profile: HFP, HSP, A2DP, and AVRCP
  • Bluetooth version: 5.0
  • Supported audio formats / codecs: SBC, AAC, aptX, aptX LL, aptX HD, and LDAC
  • Driver free mode: supported
  • In-vehicle mode: supported
  • NFC: supported
  • Mic function: Supports Bluetooth calls, built-in omnidirectional microphone, external microphone of CTIA cable
  • USB port: Type-C
  • Recommended headphone impedance
    • Single-ended: 16-100Ω
    • Balanced: 16-150Ω
  • Volume control: Side buttons
  • Status indication: Display indicates the Bluetooth code, charging, battery, volume, sampling rate, menu
  • Bluetooth chip: CSR8675
  • USB DAC chip: XMOS XUF208
  • USB sampling rate: 384 kHz / 32-Bit and DSD 64/128/256
  • THD+N
    • 3.5mm Output: ≤0.003%
    • 2.5mm Balanced Output: ≤0.002%
  • SNR
    • PO: ≥118 dB (32 Ohms A-Weighted)
    • BAL: ≥122 dB (32 Ohms A-Weighted)
  • Transmission Distance: 32.8' (10m) (Open Areas)
  • Channel Balance: ≤0.1dB
  • Gain: Supported (High/Low)
  • Display: 0.5" (12.7mm), 64 x 32 pixel OLED
  • Headphone Output
    • 1 x 1/8" / 3.5 mm (PO)
    • 1 x 2.5 mm (Balanced)
  • Output Power
    • PO: About 80 mW (32 Ohms Loaded)
    • PO: About 90 mW (16 Ohms Loaded)
    • BAL: About 240 mW (32 Ohms Loaded)
    • BAL: About 240 mW (16 Ohms Loaded)
  • Output Impedance
    • PO: ≤1.0 Ohms (32 Ohms Loaded)
    • BAL: ≤2.0 Ohms (32 Ohms Loaded)
  • Amplitude
    • PO: 1.6 V (32 Ohms / THD+N PO: 1.8 V (No Loaded)
    • BAL: 2.8 V (32 Ohms / THD+N BAL: 3.6 V (No Loaded)
  • Frequency Response
    • 20Hz to 20kHz (aptX Connection)
    • 20Hz to 40kHz (LDAC Connection)
  • Drive Ability
    • 16 to 100Ω (PO)
    • 16 to 150Ω (BAL)
  • Crosstalk
    • PO: ≥79dB (1 kHz, 32Ω Loaded)
    • PO: ≥95dB (1 kHz, No Loaded)
    • BAL: ≥118dB (1 kHz, 32Ω Loaded)
    • BAL: ≥119dB (1 kHz, No Loaded)
  • Noise floor
    • PO: ≤2uV (32ΩdB A)
    • BAL: ≤2.2uV (32ΩdB A)
  • Audio settings
    • 2 gain levels
    • 10 EQ settings
    • Channel balance
    • 3 clock settings
    • 2 audio filters
  • Power Input: Recommended DC 5V, 500mA
  • Battery Capacity: 550mAh
  • Run Time
    • 3.5 mm: About 9 Hours
    • 2.5 mm: About 7 Hours (AAC)
  • Charging Time: ≤1.5 Hours
  • Dimensions: 2.8 x 1.3 x 0.4" (72 x 32 x 11mm) (excluding back clip)
  • Weight: 1.5oz (43.7g)

Packaging Info

  • Package Weight: 0.36 lb (163g)
  • Box Dimensions (LxWxH): 5.9 x 3.7 x 1.1" (14.9 x 9.3 x 2.7cm)

What's included

  • FiiO BTR5 2021
  • Charging cable
  • Back clip
  • Quick start guide
  • USB Type-C to Type-C silicone cable

Professional Product Review of FiiO BTR5 2021 Portable Hi-Fi Bluetooth DAC/Amp

FiiO BTR5 2021 Portable Hi-Fi Bluetooth DAC/Amp User Manual Download

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