[🎶SG] XDUOO XD05T (XD05-T) - Dual ES9039Q2M Portable DAC & Tube Headphone Amplifier

(>‿◠)✌     SAM AUDIO
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XDUOO XD05T 
Dual ES9039Q2M Portable DAC & Tube Amplifier

> From 1960s
> USB Chip XMOS XU316
> Native DSD512
> Output Power 556mW @ 300Ω
> IN/OUT Balanced
> DAC Chip ES9039Q2M
> FPGA Chip
> PO/LO 6.35 & 4.4mm

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Descriptions:

> CLASSIC SOUND
> FROM THE FLAVOR OF TUBES
> In audio amplifier products, the tubes still maintain a unique position and charm. The elaborately designed amplification circuit of XD05T adopts two miniature tubes produced in the 1960s. When tubes are in operation, they will generate a certain degree of even-order harmonics, making the sound more gentle and soft, full of emotion and a warm feeling, thus creating an "analog" sound.

> UNIQUE EFFECT OF HARMONIC DISTORTION
> When a tube amplifies current in a high-voltage environment, it generates even-order harmonics based on the original signal. Sound iS composed of fundamental frequencies and higher-frequency harmonics. The presence of even-order harmonics makes the sound fuller and richer, bringing a pleasant listneing experience. In contrast, odd-order harmonics usually cause discomfort but tubes generate relatively fewer odd-order harmonics.

> RICH, WARM TONE
> HIGHLY ENJOYABLE AND IMMERSIVE.
> The tubes are more excellent in dynamic range and micro-detail performance and can show more musical emotions. This is because tube amplifiers are more flexible in processing rapidly changing sound signals and can better capture the subtle changes in music.

> WARMTH AND ATMOSPHERE OF SOUND
> The sound of tube amplifiers usually has a warm feeling. This warmth makes the
music sound more comfortable and soft. Especially when playing classical music,
jazz, human voices and other types of music, it can create a very good atmosphere
and make people more easily immersed in it, as if being at the music scene.

> ANTIQUE TUBES
> REPRODUCE CLASSIC SOUNDS
> In the last century, vacuum tube amplifiers were the representatives of high-end audio equipment. With their unique sound performance, they were sought after by many audio enthusiasts.

> UNIQUE CIRCUIT STRUCTURE
> We have noticed that the preamplifier has a great influence on the sound quality of the whole amplifier. Therefore, in order to better highlight the tube sound" we put the vacuum tube in the preamplifier part. And we have carefully selected vacuum tubes produced in the 1960s and paired them. The sound is closer to the charm of that era.

> HYBRID CIRCUIT
> To enhance the driving ability of the amplifier. transistors are used as current amplification in the latter stage, bringing strong output power. When driving a 300-ohm headphone, the power can reach 556mW, fully exerting the performance of high-impedance headphones. At the same time, the design circuit combining vacuum tubes and transistors allows the power amplifier to retain the sound flavor of tubes and also be compatible with the resolution and stable output power of transistors, having better compatibility with many music types.

> CAREFULLY SELECT VACUUM TUBES PRODUCED IN THE 1960S
> In order to be closer to the sound of vacuum tube power amplifiers from the last century, we have carefully selected vacuum tubes produced in the 1960s and used them after strict pairing. These vacuum tubes are already out Of production and there are only a small amount of stock on the market, One less is used.

> THREE GAIN LEVELS ADAPT TO DIFFERENT HEADPHONES
> Turbo (L) Suitable for IEM
> Turbo (M) Suitable for Low-Impedance Headphones
> Turbo (H) Suitable for High-Impedance Headphones

>  DESKTOP + PORTABLE TWO WORKING MODES
> It adopts two power supply methods: battery and DC. It can be used portably or fixed on the desktop.

> CONNECT DC POWER
> OPEN THE DESKTOP MODE
> When it needs to be used fixedly on the desktop, a professional Hi-Fi power supply can be connected to enable the XD05T to enter the desktop mode and exert greater performance.
*Note: The DC power supply needs to be purchased separately.

> POWERED BY BATTERY
> CONVENIENT TO CARRY
> When the XD05T needs to be used on the move, it can be powered by the internal battery, let you use it anytime and anywhere.
*Note: Since the device will generate heat during working, please do not put it in a bag or a confined environment when in use.

> 8 USAGE MODES TO MEET VARIOUS USAGE SCENARIOS
> With multiple input and output interfaces, it is convenient for you to connect various audio devices. One device can meet multiple usage scenarios.

> 99 LEVELS OF VOLUME ADJUSTMENT
> The volume adjustment is implemented with a digital adjustment chip, offering a total of 99 levels. It enables you to finely tune the desired sound loudness Even when connected to an In-Ear Monitor (IEM), there is no concern about excessive volume.

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Specifications:

> DAC CHIP: ESS ES9039Q2M*2
> USB CHIP: XMOS XU316
> USB Support Format: PCM 16-32Bit/44.1kHz-768kHz, DSD64-512, MQA 1-8X
> Bluetooth Chip: QCC5125, Bluetooth 5.1
> Bluetooth Format: SBC/AAC/APTX/APTX_LL/APTX_HD/LDAC
> Applicable OS: windows, Linux, Mac 0S, I0S, Android system
> Protection Circuits: Overheating /Overload /DC protection
> Battery: 3.7V/6000mAh
> Battery Life: USB IN, SPDIF IN≥4H | AUX IN≥4.5H
> Charging Time: about 3.5 hours (fast charging) | 10 hours (slow charging)
> Size: 16.8x7.8x2.3cm
> Weight: 0.4kg

> Unbalanced Output Parameters:
> Output Power: 32Ω@750mW (THD+N<5%)| 300Ω@83mW (THD+N<5%)
> Output Impedance: <0.2Ω
> Peak Voltage: 15Vp-p (TURBO)
> Frequency Response : 20Hz-20KHz (±O.5dB)
> Crosstalk: ≥75 dB
> THD+N: 0.5%
> SNR: ≥114dB

> AUX OUT Parameters:
> Output level: 2.0V
> THD+N: 0.00065%
> SNR: ≥120dB
> Crosstalk: ≥100dB

> Balanced Output Parameters:
> Output Power: 32Ω@1500mW (THD+N<5%)| 300Ω@565mW (THD+N<5%)
> Output Impedance: <0.2Ω
> Peak Voltage: 26Vp-p (TURBO)
> Frequency Response: 20Hz-60KHz (±O.5dB)
> Crosstalk: ≥105dB
> THD+N: 0.5%
> SNR: ≥116dB

> BAL-LO Parameters:
> Output level: 4.0V
> THD+N: 0.00065%
> SNR: ≥124dB
> Crosstalk: ≥100dB

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