Loxjie D40 Pro
The Loxjie D40 Pro delivers studio-clean transparency with airy detail, controlled punch and a spacious, precisely separated presentation. Tharbamar highlights its flexible PCM filters: Filter 1 favors refined balance, while Filter 0 opens a wider, more revealing stage. Add a capable balanced headphone output, and this is a remarkably accomplished DAC for accuracy-minded systems.
WATT RECOMMENDS
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Nicely Roasted
Sound Quality
92/100
Build Quality
50/100
Features Connectivity
72/100
Value for Money
97/100
Pros
Transparent, neutral and highly resolved sound with airy treble, accurate vocals, controlled bass and strong instrument separation.
Selectable PCM filters offer genuinely audible tuning: Filter 1 was preferred for balanced refinement, while Filter 0 broadened the soundstage.
Fully balanced headphone stage provides strong driving power and low- or high-gain flexibility.
Exceptional reported value, with performance the reviewer considered competitive with considerably more expensive DACs.
Cons
Higher-numbered PCM filters (particularly 6 and 7) were found to reduce musical dynamics in the review system.
Filter 0's highly revealing presentation could expose harshness and level inconsistencies in aggressively mastered streaming tracks.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 92/100
The review describes a highly transparent, neutral and refined presentation with notably controlled bass, accurate vocals, airy treble and strong separation. Filter selection materially changes the presentation, with Filter 1 preferred for overall balance and Filter 0 offering a broader, more revealing soundstage.
Tonal Balance and Musicality
93/100
The reviewer praises “studio quality transparency and neutrality” alongside accurate, crisp vocals, an articulate bass region and airy high frequencies. They describe the D40 Pro as refined and balanced rather than sterile, and consider its sound competitive with DACs in the $1,000–$2,000 range.
Resolution and Detail
92/100
Instrument separation, depth and a revealing character are recurring strengths in the listening impressions. The reviewer specifically highlights refinement, spaciousness and accurate retrieval of vocal and instrumental information.
Digital Performance
90/100
The seven PCM filters provide useful presentation choices, with Filter 1 singled out as the most accurate and refined overall. Filter 0 is praised for a larger, wider and revealing soundscape, although the reviewer notes that higher-numbered filters can reduce musical dynamics in their system.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
50/100
The supplied review does not discuss chassis construction, internal layout, power-supply design or long-term durability. Reviewers say little about build quality.
Features Connectivity
72/100
The review confirms seven selectable PCM filters and a fully functional remote control, both useful additions for tailoring playback and operating the DAC from the listening position. It provides little detail on the D40 Pro’s input selection, output options or supported digital formats.
Value for Money
97/100
At the stated $539 price, the reviewer calls the D40 Pro’s execution and pricing “just right” and describes it as a “no brainer” when performance and sound quality are considered. Its reported transparency, driving power and performance relative to substantially pricier DACs underpin unusually strong value praise.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
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Specifications
Manufacturer's Description — Loxjie
USB, optical, coaxial, AES all support MQA decoding function, and support MQA-CD;
American ESS new generation flagship DAC chip ES9039MSPRO, built-in MQA hard decoding;
New third generation XMOS XU-316, PCM support up to 32bit/768kHz, DSD support up to DSD512;
The headphones AMP are designed with a fully balanced circuit and have a very high power output and very low distortion;
Ultra-low phase noise and optimized clock processing circuitry are used to achieve ultra-low clock jitter;
In addition to Bluetooth other input ports support DSD transmission, coaxial, optical and AES/EBU support DoP64;
Firmware upgrade function, users can upgrade the firmware of system and USB by themselves;
Built-in low-noise power supply processing, while improving power efficiency, lower power consumption;
Specially designed discrete components linear voltage regulator and multiple low-noise voltage regulator for analog circuits to provide low-noise power supply;
Qualcomm's latest Bluetooth chip supports LDAC 24bit/96kHz ,APTX/HD ,SBC,AAC ;
High quality gold plated input and output connection terminals;
Japan Audio Society (JAS) Hi-Res certification;
Equipped with remote control and full function remote control.
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Authorized dealers for Loxjie D40 Pro
- AUDIOPHONICS — in-store — Bordeaux, Nouvelle-Aquitaine, France (website)