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FiiO DM15 R2R Portable CD Player



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FiiO DM15 R2R Portable CD Player

SKU: DM15 R2R Silver

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Product Details

↓ Details provided by FiiO ↓
(Specifications and appearance of this product are subject to change without notice)

Hero shot of the DM15 R2R

Portable Stereo CD Player DM15 R2R

Five core design | Fully differential true 24Bit R2R resistor arrays DAC

Powerful 1150mW+1150mW output | HiFi-grade USB sound card

24 sound presets | HiFi-grade USB/CD Bluetooth transmitter+ turntable

Listen while ripping CDs.

Truly portable, truly HiFi FIlO portable CD player DM15

After the launch of the DM13, we listened intently to user feedback and diligently refined the product based on their suggestions.

A year later, we present FIlO's brand-new portable CD player.

The DM15 R2R embodies the latest achievements of FIlO's research and development and deep expertise in CD technology. It is not only 'slimmed down' compared to the DM13 but also incorporates five core pillars in its design. It brings together the organic analog sound quality of portable CD players and a wealth of modern functionality.

With an advanced configuration, unique functions, simple controls, and high build quality - this is FIlO's brand-new masterpiece.

Five core design Comprehensively upgraded

The DM15 R2R represents a breakthrough, combining a smaller footprint with an even stronger feature set. Packed into its portable chassis are five core pillars: the CD Servo, USB DAC, R2R Module, and Bluetooth Module, all managed and coordinated by an MCU (microcontroller unit). Such a thorough "core" evolution elevates the device in every way, surpassing the competition in its product category.

Recreating analog sound, with distinctive characters

Custom fully differential true 24Bit R2R resistor arrays DAC

In order to recapture the classic audio character of vintage portable CD players, the DM15 R2R is equipped with a proprietary four-channel, fully differential 24Bit R2R resistor arrays DAC. It is built using a grand total of 192 precision thin-film resistors (48 per channel), carefully selected for their 0.1% accuracy and low temperature drift (30ppm). The result is a nuanced, warm, and organic analog sound.

Custom CD mechanism. Reliable disk playback.

The DM13's disc-reading performance has already seen substantial optimization over the past year. The DM15 R2R continues to evolve upon this foundation, with further customization of the CD mechanism. It features a self- rebounding steel ball design for disc alignment, making disc insertion and removal smoother and less likely to scratch the disc.

*The disc-reading capability of the DM15 R2R is comparable to the latest firmware version of the DM13. *Due to the structural limitations of a portable CD mechanism, we cannot guarantee the perfect reading of all CDs. We will continue to optimize disc-reading performance through future firmware upgrades. *Minor skipping when reading certain high-capacity

CDs is normal due to variations in mechanisms, manufacturing materials, and recording conditions.

Custom CD mechanism

HiFi-grade USB DAC. Exceptional decoding performance.

The highly anticipated USB DAC function is now a reality. While guaranteeing excellent CD sound quality and compatibility, the DM15 R2R also incorporates a HiFi-grade USB DAC. It supports high sampling rates up to 384kHz/32bit and DSD256. Thanks to the R2R DAC, the sound in USB DAC mode is also rendered with distinct musicality.

DM15 R2R connected to headphones

Premium Qualcomm Bluetooth chip. Effortless connection. Enhanced user experience.

Retro meets modern: A dual advancement in both features and experience

Equipped with the Qualcomm QCC3095 Bluetooth chip, the DM15 R2R supports standard and high-resolution Bluetooth transmission protocols, including apt aptX Adaptive, aptX HD, and SBC. Bluetooth transmission is supported for both CD input and USB input. A brand-new visual interface makes pairing and connecting Bluetooth devices perfectly clear.

*Differences may exist in Bluetooth protocols among certain brands. Please ensure you set the required Bluetooth codec on the receiving device before connecting

Premium Qualcomm Bluetooth chip. Effortless connection. Enhanced user experience.

Slim at an inch Superior in its league. A"powerhouse" among portable CD

"Portable" CD players are becoming increasingly large, undermining their original purpose of being easy to carry and move around. The DM15 R2R has been further refined and slimmed down in size compared to the DM13. By uniquely integrating high performance and a wealth of features into an extremely compact and portable form factor, it stands out from its competitors.

315mW+315mW (329, THD+N < 1%/ single-ended/desktop mode)

1150mW+1150mW (320, THD+N < 1%/balanced/desktop mode)

Thickness compared to DM13 decreased by 2mm

Single-ended output power increased by 66%

Balanced output power increased by 74%

Global BASS+EQ 24 sound presets

With 3 BASS modes and 8 built-in EQ presets, you can combine these for up to 24 dynamic sound presets. There is even a specially tuned RETRO sound preset that delivers a rich, analog, and classic sound flavor.

* Since selecting BASS or EQ affects the output level, please adjust your volume as necessary.

DM15 R2R connected to wired headphones

The all-purpose powerhouse Fully capable

The device combines a portable CD player, HiFi-grade USB DAC, high-resolution USB/CD Bluetooth transmitter, and a USB/CD digital transport all into a single unit - offering far greater versatility and compatibility than comparable portable CD players.

*Using a phone/player/tablet as the sound source: Connect the device first, then plug in USB power to ensure proper recognition. This limitation does not apply when using a computer as the source.

More ways to connect

HD TFT display. Effortlessly control your music.

The player's retro Ul theme blends modern and vintage styles for a pleasing look that is also easy to use. It clearly and intuitively presents information such as battery power, operational mode, EQ settings, sampling rate, Bluetooth connection list, and more, allowing you to easily maintain control over your audio and enhance your musical enjoyment.

HD TFT display

Vintage mechanical controls. The overture to a great listening experience.

This brand-new retro design incorporates mechanical buttons, keys, and knobs that one can tangibly interact with, making control simple and easy to learn.

Furthermore, the real tactile feedback from every single action allows you to fully experience the beauty of CD listening through sight, touch, and sound.

Supports USB ripping functionality. Preserve the melodies that touch your soul.

The player supports ripping tracks while listening, allowing you to save your favorite CDs in WAV format onto external storage*. Easily share those unforgettable tunes with frignds=AT32-formatted external storage devices are supported.

* Only CDDA-format music ripping is supported. For system firmware updates or CD ripping, a Type-C flash drive (32GB or smaller) is recommended.

USB ripping functionality

Portable and desktop modes. Dual distinct experiences.

Patented desktop mode. The battery protection specialist

This mode bypasses the battery for non-portable use, protecting it from being used even during high-power output.

This also significantly cuts down on charge-discharge cycles, which significantly helps to prolong the lifespan of the battery.

*If the device power off due to a 0% battery level, charging will automatically commence, even if desktop mode is active, to safeguard the battery's health.

Patent number: ZL202321946664.8

Infrared remote control included

The included remote makes it easy and convenient to control the device from afar.

remote control

High-voltage lithium battery power. Freedom on the go.

A specially selected 4700mAh, 3.85V pure cobalt high-voltage lithium battery delivers powerful performance to the DM15 R2R. Enjoy about 7 hours* of continuous music playback, easily satisfying your need for extended listening without worrying about the battery running out.

*Data is based on testing from FIlO labs and is for reference only.

Actual results may vary due to differences in environment and usage scenario.

Battery capacity 4700mAh

Pure cobalt high-voltage lithium battery 3.58v

Continuous playback About 7h

ESP (Electronic Shock Protection) Switch

By turning on the ESP functionality, users can enjoy a stable and engaging sound experience whether one is taking the player outside or using it stationary on a desk.

*Enabling the ESP function improves playback stability, but turning the feature on or off does not significantly enhance the disc reading performance.

Rear of the DM15 R2R

Transparent window Delivering on both looks and capability

A rich palette of colors: electrophoretic white, silver, black, and red. A true fashion icon that stands out anywhere. The device features a minimalist yet fashionable design, featuring a chassis of all aluminum alloy construction that offers a luxurious texture and tactile feel. Both the transparent lid and the front panel cover are made with tempered glass for increased durability and scratch resistance.

Key for the DM15

Packing List

  • DM15 R2R Host * 1
  • Remote Control * 1
  • USB-A to Type-C charging data cable * 1
  • Quick Start Guide * 1
  • 3.5mm coaxial patch cord * 1
  • After-sales maintenance card * 1
What's included in the box

Parameters

General Specifications
Name/Model DM15 R2R Hardware Scheme

master control: GD32F305RET6, op amp: SGM8262 * 2,

DAC:Feiao Self-developed R2R DAC,

Bluetooth: QCC3095,

USB chip: SPV5048
working mode CD playback/USB DAC mode/Bluetooth transmitter mode
color White/Black/Red/Silver Weight about 471.5g
Product Size about 144x 137x 25.5mm (not including foot pads and knobs) Volume Control Type button control
screen 0.96 inch (80x 160)LCD display bald head custom bald head
Recommended Adapt Headset Impedance PO:8~350Ω movement custom movement
BAL:8~350Ω 　 　
Keys and Interfaces
key

Power key * 1; Stop key * 1; Play/Pause key * 1; Previous * 1;

Next song * 1;EQ button * 1;

 USB

Type-C USB2.0 * 1 (data transfer) +

Type-C POWER IN * 1 (charging/independent

power supply interface)
Headphone output interface standard 3.5mm socket balanced output interface standard 4.4mm socket
Linear Output Interface standard 3.5mm socket Balanced Linear Output Interface standard 4.4mm socket
coaxial output interface standard 3.5mm socket (multiplexed with LO port) fiber output interface standard 3.5mm socket (multiplexed with LO port)
ripple switch input switch button * 1 + output switch button * 1 + BASS switch * 1 + ESP switch * 1 + D.MODE switch * 1 　 　
Features
Bluetooth Transmitter (5.4) SBC/aptX/aptX-HD/aptX-LL/aptX-Adaptive Operation mode button/knob operation
BASS BASS OFF/1/2 Timing Shutdown support
EQ Adjustment built-in 8 kinds of preset EQ Drive-free mode support
Maximum supported sampling rate USB DAC: Supports up to 384kHz/32bit;DSD256(Native) Firmware Upgrade USB Upgrade/Local Upgrade
coaxial output: maximum support 192kHz/24bit; 　 　
fiber output: support up to 96kHz/24bit; 　 　
Power Parameters
Power support PD2.0 and PD3.0 fast charge charging time about 2 hours (PD3.0 fast charge)
CD Endurance and Test Conditions:
3.5mm headphone output: 7 hours
Volume 59 BASS OFF
screen status Close ESP ON
EQ Close D.MODE OFF
load 32 Ω 　 　
4.4mm balanced output: 7 hours
Volume 53 BASS OFF
screen status Close ESP ON
EQ Close D.MODE OFF
load 32 Ω 　 　
USB decoding life and test conditions:
3.5mm headphone output: 11 hours
Volume 59 BASS OFF
screen status Close ESP OFF
EQ Close D.MODE OFF
load 32 Ω 　 　
4.4mm balanced output: 10.5 hours
Volume 53 BASS OFF
screen status Close ESP OFF
EQ Close D.MODE OFF
load 32 Ω 　 　
Audio Parameters
headphone output part performance parameters (3.5mm output, USB DAC,OS mode, Taiwan mode)
output power L+R≥575mW+575mW (16Ω,THD+N<1%,3.1Vrms) output impedance <1Ω
L+R≥315mW+315mW (32Ω,THD+N<1%,,3.2Vrms) channel separation ≥ 72dB
L+R≥35mW+35mW (300Ω,THD+N<1%,3.3Vrms) peak output voltage 9.5Vp-p
signal-to-noise ratio ≥ 111dB (A-weighted) distortion plus noise <0.025%(1kHz/-6dB @ 32Ω)
frequency response 20Hz ~ 80kHz: Attenuation <2.9dB bottom noise <8.7uV(A weight)
20Hz ~ 20KHz: attenuation <0.2dB dynamic range ≥ 106dB (A-weighted)
headphone output part performance parameters (3.5mm output, USB DAC,OS mode)
output power L+R≥405mW+405mW (16Ω,THD+N<1%,2.5Vrms) output impedance <1Ω
L+R≥220mW+220mW (32Ω,THD+N<1%,,2.7Vrms) channel separation ≥ 72dB
L+R≥25mW+25mW (300Ω,THD+N<1%,2.8Vrms) peak output voltage 7.9Vp-p
signal-to-noise ratio ≥ 111dB (A-weighted) distortion plus noise <0.025%(1kHz/-6dB @ 32Ω)
frequency response 20Hz ~ 80kHz: Attenuation <2.9dB bottom noise <7.5uV(A weight)
20Hz ~ 20KHz: attenuation <0.2dB dynamic range ≥ 106dB (A-weighted)
balanced headphone output part performance parameters (4.4mm output, USB DAC,OS mode, Taiwan mode)
output power L+R≥480mW+480mW (16Ω,THD+N<1%,2.8Vrms) output impedance <1.5Ω
L+R≥1150mW+1150mW (32Ω,THD+N<1%,6.1Vrms) channel separation ≥ 100dB
L+R≥145mW+145mW (300Ω,THD+N<1%,6.6Vrms) peak output voltage 18.8Vp-p
signal-to-noise ratio ≥ 112dB (A-weighted) distortion plus noise <0.025%(1kHz/-6dB @ 32Ω)
frequency response 20Hz ~ 70kHz: Attenuation <3dB bottom noise <14.7uV(A weight)
20Hz ~ 20KHz: attenuation <0.3dB dynamic range ≥ 107dB (A-weighted)
balanced headphone output part performance parameters (4.4mm output, USB DAC,OS mode)
output power L+R≥545mW+545mW (16Ω,THD+N<1%,2.9Vrms) output impedance <1.5Ω
L+R≥815mW+815mW (32Ω,THD+N<1%,5.1Vrms) channel separation ≥ 100dB
L+R≥100mW+100mW (300Ω,THD+N<1%,5.5Vrms) peak output voltage 15.8Vp-p
signal-to-noise ratio ≥ 112dB (A-weighted) distortion plus noise <0.025%(1kHz/-6dB @ 32Ω)
frequency response 20Hz ~ 80kHz: attenuation <2.9dB bottom noise <12.7uV(A weight)
20Hz ~ 20KHz: attenuation <0.2dB dynamic range ≥ 107dB (A-weighted)
linear headphone output part performance parameters (3.5mm output, USB DAC,OS mode, Taiwan mode)
distortion plus noise <0.025%(1kHz/-6dB @ 10KΩ) signal-to-noise ratio ≥ 111dB(A-weighted)
channel separation ≥ 100dB bottom noise <9.2uV(A weight)
frequency response 20Hz ~ 80kHz: attenuation <2.9dB Line Output Level 3.3Vrms(1KHz@10kΩ)
20Hz ~ 20KHz: attenuation <0.2dB dynamic range ≥ 106dB (A-weighted)
linear headphone output part performance parameters (3.5mm output, USB DAC,OS mode)
distortion plus noise <0.025%(1kHz/-6dB @ 10KΩ) signal-to-noise ratio ≥ 111dB(A-weighted)
channel separation ≥ 100dB bottom noise <7.9uV(A weight)
frequency response 20Hz ~ 80kHz: attenuation <2.9dB Line Output Level 2.8Vrms(1KHz@10kΩ)
20Hz ~ 20KHz: attenuation <0.2dB dynamic range ≥ 106dB (A-weighted)
balanced linear headphone output part performance parameters (4.4mm output, USB DAC,OS mode, Taiwan mode)
distortion plus noise <0.025%(1kHz/-6dB @ 10KΩ) signal-to-noise ratio ≥ 112dB (A-weighted)
channel separation ≥ 108dB bottom noise <15.6uV(A weight)
frequency response 20Hz ~ 80kHz: attenuation <2.9dB Line Output Level 6.5Vrms(1KHz@10kΩ)
20Hz ~ 20KHz: attenuation <0.2dB dynamic range ≥ 107dB (A-weighted)
balanced linear headphone output part performance parameters (4.4mm output, USB DAC,OS mode)
distortion plus noise <0.024%(1kHz/-6dB @ 10KΩ) signal-to-noise ratio ≥ 112dB (A-weighted)
channel separation ≥ 108dB bottom noise <13uV(A weight)
frequency response 20Hz ~ 80kHz: attenuation <2.9dB Line Output Level 5.4Vrms(1KHz@10kΩ)
20Hz ~ 20KHz: attenuation <0.2dB dynamic range ≥ 107dB (A-weighted)
headphone output part performance parameters (3.5mm output, CD,OS mode, Taiwan mode)
output power L+R≥575mW+575mW (16Ω,THD+N<1%,3.1Vrms) output impedance <1Ω
L+R≥315mW+315mW (32Ω,THD+N<1%,,3.2Vrms) channel separation ≥ 72dB
L+R≥35mW+35mW (300Ω,THD+N<1%,3.3Vrms) peak output voltage 9.5Vp-p
signal-to-noise ratio ≥ 110dB (A-weighted) distortion plus noise <0.028%(1kHz/0dB @ 32Ω)
dynamic range ≥ 94dB (A-weighted) bottom noise <9.7uV(A weight)
frequency response 20Hz ~ 20KHz: attenuation <1.5dB 　 　
headphone output part performance parameters (3.5mm output, CD,OS mode)
output power L+R≥405mW+405mW (16Ω,THD+N<1%,2.5Vrms) output impedance <1Ω
L+R≥220mW+220mW (32Ω,THD+N<1%,,2.7Vrms) channel separation ≥ 72dB
L+R≥25mW+25mW (300Ω,THD+N<1%,2.8Vrms) peak output voltage 7.9Vp-p
signal-to-noise ratio ≥ 109dB (A weight) distortion plus noise <0.027%(1kHz/0dB @ 32Ω)
dynamic range ≥ 94dB (A-weighted) bottom noise <8.5uV(A weight)
frequency response 20Hz ~ 20KHz: attenuation <1.5dB 　 　
balanced headphone output part performance parameters (4.4mm output, CD,OS mode, Taiwan mode)
output power L+R≥480mW+480mW (16Ω,THD+N<1%,2.8Vrms) output impedance <1.5Ω
L+R≥1150mW+1150mW (32Ω,THD+N<1%,6.1Vrms) channel separation ≥ 100dB
L+R≥145mW+145mW (300Ω,THD+N<1%,6.6Vrms) peak output voltage 18.8Vp-p
signal-to-noise ratio ≥ 112dB (A-weighted) distortion plus noise <0.030%(1kHz/0dB @ 32Ω)
dynamic range ≥ 94dB (A-weighted) bottom noise <14uV(A-weighted)
frequency response 20Hz ~ 20KHz: attenuation <1.5dB 　 　
balanced headphone output part performance parameters (4.4mm output, CD,OS mode)
output power L+R≥490mW+490mW (16Ω,THD+N<1%,2.8Vrms) output impedance <1.5Ω
L+R≥810mW+810mW (32Ω,THD+N<1%,5.1Vrms) channel separation ≥ 100dB
L+R≥100mW+100mW (300Ω,THD+N<1%,5.5Vrms) peak output voltage 15.8Vp-p
signal-to-noise ratio ≥ 110dB (A-weighted) distortion plus noise <0.029%(1kHz/0dB @ 32Ω)
dynamic range ≥ 94dB (A-weighted) bottom noise <13.6uV(A weight)
frequency response 20Hz ~ 20KHz: attenuation <1.5dB 　 　
Linear headphone output part performance parameters (3.5mm output, CD,OS mode, Taiwan mode)
distortion plus noise <0.028%(1kHz/0dB @ 10KΩ) signal-to-noise ratio ≥ 110dB(A-weighted)
channel separation ≥ 100dB bottom noise <9.6uV(A weight)
dynamic range ≥ 94dB (A-weighted) Line Output Level 3.3Vrms(1KHz@10kΩ)
frequency response 20Hz ~ 20KHz: attenuation <1.5dB 　 　
Linear headphone output part performance parameters (3.5mm output, CD,OS mode)
distortion plus noise <0.027%(1kHz/0dB @ 10KΩ) signal-to-noise ratio ≥ 110dB(A-weighted)
channel separation ≥ 100dB bottom noise <8.5uV(A weight)
dynamic range ≥ 94dB (A-weighted) Line Output Level 2.8Vrms(1KHz@10kΩ)
frequency response 20Hz ~ 20KHz: attenuation <1.5dB 　 　
balanced linear headphone output part performance parameters (4.4mm output, CD,OS mode, Taiwan mode)
distortion plus noise <0.029%(1kHz/0dB @ 10KΩ) signal-to-noise ratio ≥ 110dB (A-weighted)
channel separation ≥ 104dB bottom noise <18.4uV(A weight)
dynamic range ≥ 94dB (A-weighted) Line Output Level 6.5Vrms(1KHz@10kΩ)
frequency response 20Hz ~ 20KHz: attenuation <1.5dB 　 　
balanced linear headphone output part performance parameters (4.4mm output, CD,OS mode)
distortion plus noise <0.029%(1kHz/0dB @ 10KΩ) signal-to-noise ratio ≥ 110dB (A-weighted)
channel separation ≥ 104dB bottom noise <15.8uV(A weight)
dynamic range ≥ 94dB (A-weighted) Line Output Level 5.4Vrms(1KHz@10kΩ)
frequency response 20Hz ~ 20KHz: attenuation <1.5dB 　 　

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