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FiiO BTR15 Portable Bluetooth DAC and Headphone Amplifier (Black)

BH #FIBTR15B • MFR #BTR15B
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Key Features
  • Ultracompact, Lightweight, and Portable
  • Resolutions Up to 32-Bit / 384 kHz
  • MQA Full Decoder Support, Bluetooth 5.1
  • Balanced and Unbalanced Outputs
Experience outstanding audio quality on the go with the black FiiO BTR15, a portable Bluetooth DAC and headphone amplifier that features dual integrated DACs that deliver a refined, detailed, and articulate listening experience, even when listening to music over Bluetooth. At the heart of the BTR15 is the dual ES9219MQ DAC chips, which handle sample rates and resolutions up to 384 kHz / 32-bit. This DAC is housed alongside the Qualcomm QCC5125 Bluetooth chip to provide support for Bluetooth 5.1, as well as Bluetooth aptX and SBC.
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$109.99
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FiiO BTR15 Overview

  • 1Description
  • 2Change Modes with Just One Button
  • 3Global Parametric EQ
  • 4Dual-Core Upgrade, Two Modes of High-Res Audio
  • 5MQA Full Decoder for Master-Quality Sound
  • 6Dual Curved Glass
  • 70.96" OLED Display
  • 8Dual Outputs
  • 9Independent Power Supply for Amp
  • 10Comprehensive Battery Protection

Experience outstanding audio quality on the go with the black FiiO BTR15, a portable Bluetooth DAC and headphone amplifier that features dual integrated DACs that deliver a refined, detailed, and articulate listening experience, even when listening to music over Bluetooth. At the heart of the BTR15 is the dual ES9219MQ DAC chips, which handle sample rates and resolutions up to 384 kHz / 32-bit. This DAC is housed alongside the Qualcomm QCC5125 Bluetooth chip to provide support for Bluetooth 5.1, as well as Bluetooth aptX and SBC.

The enclosure is crafted from hot-bent curved glass on the front and back with an aluminum alloy middle frame, which provides ample protection, as well as a space-age 3D aesthetic that not only looks great, but is easy to handle. The built-in rechargeable battery lasts for up to eight hours, ensuring you can listen to music wirelessly for a long time. If your iOS or Android device doesn’t have a 3.5mm headphone jack, this can serve as a high-quality method to stream great-sounding music to your device.

Change Modes with Just One Button
Due to the BTR15's ability to work as a Bluetooth receiver and as a USB DAC, FiiO have implemented a PC/BT/Phone mode button. With just a click of a button you can switch between three different modes to match your current scenario for listening to high-quality music.

  • PC: Connect as a USB DAC totally powered by the computer.
  • BT: Bluetooth DAC and amp powered by the BTR15's internal battery; when connected via USB, it can be charged.
  • Phone: Connect to a phone as a USB DAC dongle, powered by the BTR15's internal battery.
Global Parametric EQ
The BTR15 features a global parametric equalizer (PEQ). Through FiiO's self-developed PEQ algorithm and user interface, in any mode you can choose the exact frequencies to be adjusted along with their gain levels and bandwidth, allowing you to fine-tune the sound exactly the way you want it.
Dual-Core Upgrade, Two Modes of High-Res Audio
The BTR15 employs the high-performance combination of the Qualcomm QCC5125 Bluetooth chip + XMOX 16-core XU316 that supports stable high-res audio playback in any mode, allowing you more ways to immerse yourself in the world of high-quality hi-res music.
MQA Full Decoder for Master-Quality Sound
The BTR15 supports MQA Full Decoder, allowing for complete compatibility with any music app, resulting in high-resolution, master-level sound quality in reasonably sized files well-suited for mobile devices.
Dual Curved Glass
The BTR15 features hot-bent curved glass embedded on both the front and the rear of the device, delivering an attractive 3D appearance that's easy to hold. With the aluminum middle frame and curved glass, the BTR15 is comfortable to handle, and once you pick it up, you won't be able to put it down.
0.96" OLED Display
The brilliant 0.96" OLED display provides more information with a larger font making it easy to see the device status or change settings. The display is offered in Chinese and English languages.
Dual Outputs
In addition to the standard 3.5mm single-ended headphone output, the BTR15 also comes with a 4.4mm balanced headphone output. The dual outputs ensure you can use the BTR15 with an extra set of headphones for more remarkable listening experiences.
Independent Power Supply for Amp
FiiO's engineers carefully designed an independent power supply system for the powering the dual ES9219MQ DAC and the headphone amplifier. By separating the power, the BTR15 provides low noise and high-current increasing the output 340mW of pure power, easily powering most headphones.
Comprehensive Battery Protection
Battery Isolation

  • When connected to a computer and used in USB DAC mode for long periods of time, the BTR15 can stop the battery from being charged and can be totally powered by the computer, avoiding battery degradation.

Durable High-Temperature Resistant Battery

  • More resistant against high temperatures for longer durability

Built-In Temperature Sensor

  • Dynamic charge and discharge detection
  • Automatic current adjustment based on temperature effectively prevents thermal damage to the battery

FiiO BTR15 Specs

Key Specs
Number of Headphone Channels
Single Channel
Recommended Headphone Impedance
Not Specified by Manufacturer
Headphone Output Power
1/8" / 3.5 mm Unbalanced:
125 mW per Side into 32 Ohms
15 mW per Side into 300 Ohms
4.4 mm Balanced:
340 mW per Side into 32 Ohms
50 mW per Side into 300 Ohms
Analog Audio I/O
1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output
1x 4.4 mm TRRRS Balanced Headphone Output
Digital Audio I/O
No
USB I/O
USB-C
Wireless
Bluetooth 5.1 
Frequency Response
20 Hz to 50 kHz
Power Requirements
Built-In Rechargeable Battery
Number of Headphone Channels
Single Channel
Recommended Headphone Impedance
Not Specified by Manufacturer
Headphone Output Power
1/8" / 3.5 mm Unbalanced:
125 mW per Side into 32 Ohms
15 mW per Side into 300 Ohms
4.4 mm Balanced:
340 mW per Side into 32 Ohms
50 mW per Side into 300 Ohms
Digital Chipset
Bluetooth:
Qualcomm QCC5125
DAC:
2 x ESS ES9219MQ
USB:
XMOS UX316
EQ
No
Display
0.96" Monochrome OLED
Connectivity
Analog Audio I/O
1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output
1x 4.4 mm TRRRS Balanced Headphone Output
Digital Audio I/O
No
USB I/O
USB-C
Wireless
Bluetooth 5.1 
Bluetooth
5.1
Bluetooth Profiles
HFP, HSP, A2DP, AVRCP
Supported Audio Codecs
AAC, aptX, aptX Adaptive, aptX HD, aptX LL, LDAC, SBC
Performance
Frequency Response
20 Hz to 50 kHz
Impedance
1/8" / 3.5 mm Headphone Outputs:
< 1 Ohm (32-Ohm Load)
4.4 mm Headphone Outputs:
1.5 Ohms (32-Ohm Load)
THD+N
Headphone Outputs:
< 0.0008% (1 kHz / 32 Kilohms)
SNR
Outputs:
≥ -122 dBA
Noise
1/8" / 3.5 mm Headphone Outputs:
≤ 2 µV
4.4 mm Headphone Outputs:
≤ 2.7 µV
Digital Audio
Sample Rates
Up to 384 kHz
Bit Depths
Up to 32-Bit
Compatibility
Mobile App Compatible
Yes: Android & iOS
App Name: FiiO Connect
Functionality: Adjust Settings, Firmware Update
Mobile Device Compatibility
No
Power
Power Requirements
Built-In Rechargeable Battery
DC Input Power
5 VDC at 500mA (Recommended)
Internal Battery
Rechargeable, 550 mAh
Battery Charging Time
2 Hours
Approximate Battery Life
8 Hours (Lithium-Ion)
Physical
Dimensions
2.84 x 1.3 x 0.49" / 7.22 x 3.2 x 1.25 cm
Weight
1.3 oz / 37.3 g
Packaging Info
Package Weight
0.385 lb
Box Dimensions (LxWxH)
6.1 x 3.6 x 1.7"

FiiO BTR15 Reviews

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