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With the DX340, iBasso offers us a top-of-the-range digital music player incorporating the latest technological innovations in terms of FPGA and digital/analogue conversion, enabling conversion of a signal up to 32bit 768kHz PCM and DSD512 via a discrete network of 16 8bit PWM DACs. This innovative package is housed in a luxurious 316 stainless steel chassis and boasts a magnificent 6-inch AMOLED display offering striking contrasts, making the DX340 as much a pleasure for the ears as for the eyes.
The DX340 incorporates the latest version of the FPGA developed by iBasso. The Master 3.0 FPGA brings together all the algorithmic achievements of the brand in recent years in a single point. It plays a major role in reproducing and maintaining signal integrity, using signals from two Accusilicon clocks to obtain a single, perfectly synchronous clock signal.
With 7.5 times more LUTs than its predecessor, the FPGA Master 3.0 is equipped with a harmonic adjustment algorithm that makes it possible to adjust both even and odd harmonics.
This small revolution in terms of possible algorithms as well as signal reproduction and maintenance has paved the way for iBasso to develop a brand new, completely discrete DAC.
Thanks to the enhanced capabilities of the Master 3.0 FPGA, the latter is able to generate a PWM signal which is immediately transmitted to a set of 16 8bit PWM DACs in cascade for analogue/digital conversion.
This set of 16 DACs is divided into 4 groups, the equivalent of one 32-bit DAC per group, to independently convert the two polarities of the left and right channels. The result is a precise decoding process that delivers exceptional performance, particularly in terms of distortion, with a total harmonic distortion plus noise rate of -119 dB.
The DX340 features iBasso's innovative dual battery structure, which ensures that both the digital and AMP sections are powered by an independent battery for optimum performance. An independent battery supply ensures a stable power supply for the AMP section, while effectively isolating electromagnetic interference from the digital section.
iBasso has further enhanced its dual-battery system by improving the user experience. For added convenience, the DX340 features a single battery indicator, and when connected to a USB charger providing adequate power, the device automatically switches to external power mode to save the battery.
The DX340 also incorporates the swappable amplifier module design of its predecessors. Although the DX340 comes with the AMP15 module as standard, it is also compatible with the AMP12, AMP13 and AMP14 modules.
As for the AMP15 module that comes as standard with the DX340, this uses a total of 8 BUF634s to deliver a high level of power. This new module also supports an external 12V DC power supply, enabling a ‘Super gain’ mode to be unlocked in order to achieve an output power of 2150mW+2150mW under 32Ω.
To guarantee smooth performance, the DX340 is equipped with a Snapdragon 665 SoC chip, complemented by 8GB of RAM and 256GB of UFS 2.1 storage, ensuring exemplary fluidity. Furthermore, if you need to, you can add up to 2TB of memory thanks to the micro SD slot, ensuring you never run out of space.
The DX340 is equipped with a magnificent 6-inch 1080*2160px AMOLED screen. AMOLED technology enables each pixel to emit its own light independently of its neighbours, providing striking contrasts to give you a rich, colourful screen, so you can make the most of browsing on your DAP.
The chassis of the DX340 is made from 316 stainless steel, which is far more stable than an aluminium alloy and offers excellent corrosion resistance. The chassis is CNC machined before being polished and brushed, offering a uniquely classy finish that aluminium cannot offer.
Finally, the DX340 is equipped with a USB interface capable of supporting a sampling rate of up to 32bit PCM and DSD512, giving you the option of using it as a USB DAC to take full advantage of the advances made possible by the FPGA Master 3.0.
Technical characteristics
Specifications | |
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Product type | Digital audio player (DAP) |
Touch screen | AMOLED 6" 1080*2160px |
Audio formats | APE, FLAC, WAV, WMA, ACC, ALAC, AIFF, OGG, MP3, DFF, DSF, DXD, DST |
Supported sampling rates | PCM 32bit 768kHz DSD512 |
Connectors | USB-C 3.1 |
Outputs | 1x Jack 4.4mm balanced 1x Jack 3.5mm Single-ended 1x Coaxial Jack 3.5mm |
WiFi | 802.11a/b/g/n/ac (2.4GHz/5GHz) |
Bluetooth | 5.0 |
RAM | 8Go |
Storage | 256Go + Slot micro-SD jusqu'a 2TB |
Battery | Digital section: Li-Po battery 4000mAh 3.8V AMP Section: Li-Po battery 2100mAh 3.8V |
Charging time | 2.5h |
Autonomy | 11h |
Housing material | Stainless steel 316 |
Headphone output characteristics balanced 4.4 mm jack | |
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Maximum output level | 12V DC: 8.3Vrms Battery: 6.23Vrms |
Output power | 12V DC: 2150mW+2150mW @ 32Ω THD<1% Battery: 1200mW+1200mW @ 32Ω THD<1% |
Frequency response | 10Hz-22kHz (-0.7dB) 10Hz-40kHz (-2.2dB) |
Signal-to-noise ratio (SNR) | 123dB |
Dynamic range | 123dB |
Total harmonic distortion more noise (THD+N) | -119dB (A-wt, 600Ω) -117dB (A-wt, 300Ω) -106dB (A-wt, 32Ω) |
Crosstalk | -140dB |
Headphone output characteristics single-ended 3.5 mm jack | |
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Maximum output level | 12V DC: 4.2Vrms Battery: 3.16Vrms |
Output power | 12V DC: 550mW+550mW @ 32Ω THD<1% Battery: 312mW+312mW @ 32Ω THD<1% |
Frequency response | 10Hz-22kHz (-0.7dB) 10Hz-40kHz (-2.2dB) |
Signal-to-noise ratio (SNR) | 123dB |
Dynamic range | 123dB |
Total harmonic distortion more noise (THD+N) | -117dB (A-wt, 600Ω) -117dB (A-wt, 300Ω) -104dB (A-wt, 32Ω) |
Crosstalk | -138dB |
Line output characteristics balanced 4.4 mm jack | |
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Maximum output level | 2Vrms |
Frequency response | 10Hz-22kHz (-0.7dB) 10Hz-40kHz (-2.2dB) |
Signal-to-noise ratio (SNR) | 123dB |
Dynamic range | 123dB |
Total harmonic distortion more noise (THD+N) | -119dB |
Crosstalk | -145dB |
Line output characteristics single-ended 3.5 mm jack | |
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Maximum output level | 1Vrms |
Frequency response | 10Hz-22kHz (-0.7dB) 10Hz-40kHz (-2.2dB) |
Signal-to-noise ratio (SNR) | 118dB |
Dynamic range | 118dB |
Total harmonic distortion more noise (THD+N) | -110dB |
Crosstalk | -135dB |
General | |
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Dimensions | 150 x 77.5 x 19mm |
Weight | 486g |
Color | Silver |
Package | 1x iBasso DX340 1x 12V AC mains adapter Leather protective cover 1x USB-C cable 1x Coaxial cable 1x Burn-in cable |
Input | USB |
Output | Coaxial SPDIF |
Output | Jack 3.5mm |
Output | Jack 4.4mm |
DAC / ADC Chip | PWM |
Max sampling rate | 768kHz |
Max sampling rate | DSD512 |
Color | Silver |