Fiio X7 Mark II Flagship Portable Hi-Res DAP Released – See Features, Specs and Price

Fiio recently released their new flagship android-based, high resolution portable digital audio player – the Fiio X7 Mark II. Many have been anticipating this release and finally it’s here. The Fiio X7 Mark II (or Fiio X7 II) is sort of a continuation of the Fiio X5 III that the company released late last year. The X5 III is overall a well-rounded mid-range DAP and it’s probably even better than their previous flagship X7, if not for the amp section. You can read our Fiio X5 3rd gen review here. The Fiio X7 II is very similar with the X5 III specially in terms of body design and aesthetics. The main different between the new X7 II vs X5 III is the upgradable amp section and better internal components. Let’s check out more details of the new Fiio X7 Mark II below.

Update: Fiio X7 Mark II Now Available at here.

Fiio X7 Mark II Hi-Res Digital Audio Player Features

The new Fiio X7 Mark II is (probably) what many audiophiles and music lovers would want – an Android-based DAP with the best set of features AND great sound that will not cost a kidney or liver. Many Fiio X5 III owners would say that it has a great set of features but the sound quality is just up to mid-level or mid-fi (as some would call it). And I totally agree with them, you can read my review here. Since the Fiio X7 Mark II not only features a better and upgradable amp, but also better a DAC and other internal components / features; I guess people who were a little bit disappointed with the X5 III will not be disappointed with the X7 Mark II.

Right off the bat, the Fiio X7 II’s audio section is powered by an ESS ES9028 PRO DAC; and an upgraded bundled amp module from single-ended AM1 to both balanced and single-ended AM3A. The Fiio X7 II’s AM3A features AD8620 precision, JFET operational amplifiers and OPA926 op-amp. Fiio has also doubled the memory and internal storage; it has 2GB DDR3L of RAM and 64GB of internal storage. Although, it is still using the same Rockship RK3188 SoC on Fiio X5 III. I’m not sure if adding 1GB of RAM is enough to make its overall operation smooth, but I hope it will. It still has a dual microSD card slot that supports up to 256GB of microSDXC card (each slot). It also supports native DSD and Infinity Sound 3.5 + 2.5.

Just like X5 III, the X7 Mark II sports a 3.97″ touch screen display with a resolution of 480×800. The outer body design is very similar with the X5 III, but with the addition of the upgradable amp section (thus making it a bit longer); and the power button and lineout are now located on top of the player. In terms of connectivity options, it still uses microUSB 2.0 for wired connection and upgraded WiFi connectivity with both 2.4GHz and 5GHz bandwidth. It also has Bluetooth 4.1 with aptX support. Though the battery is non-removable, it features Qualcomm Quick Charge 2.0 and battery life can last up to 8 hours of music playback. Of course, expect that actual battery life may be lower and it depends on the user’s activity.

Not much to say about the Fiio X7 Mark II at this point, as it looks like and sounds like an upgraded version of the Fiio X5 III. Just like Fiio said, the X7 Mark II is “thoroughly transformed, inside and out” if comparing from the X7 (1st gen); but it is also a continuation coming from the X5 III.

Fiio X7 Mark II Price and Availability

The Fiio X7 Mark II hi-res portable DAP comes with a manufacturer’s suggested retail price of $649.99 and it’s already available to order from here.

Fiio X7 Mark II Specifications

Name / Model No.X7 Mark ? (FX5321)Operating SystemDeeply customized Android 5.1.1
CPU ModelRK3188No. of cores4
CPU operating frequency1.4GHzDACESS9028 PRO
KeyboardVirtual QWERTY keyboardInput methodTouchscreen
Special featuresDual Android / Pure Music operating modes, symmetrical remappable keys,  USB DAC, docking connector, etc.User InterfaceAndroid 5.1.1 / FiiO Music
Chips usedSoC:RK3188, DAC:ESS9028 PRO,  LPF: OPA1612x2,  OP: Customized OPA926x2
WIFI5GHz/2.4GHz IEEE802.11 b/g/n standards supportedBluetoothBluetooth V4.1,aptX supported
USBMicro USB2.0
Display screen
Display size3.97 inchesNumber of colours16.7 million colors
Display typeIPS TFTViewable angle178°
Resolution480×800Pixel density233 ppi
Storage expansion typeMicro SDROM available to userAbout 55GB
Maximum storage expansion512GB (256GB x 2)
Buttons and ports
ButtonsSide buttons + side volume wheel+ touchscreenCustom key mappingN/A
Headphone out3.5mm standard headphone output jackBalanced outputSupported (2.5mm balanced headphone jack)
Line out/Digital Coaxial out/Optical outputStandard 3.5mm port (shared LO/Coaxial out)USB connectionMicro USB2.0 (charging / data transfer / docking function / USB DAC)
ColorTitaniumDimensionsabout 128.7mm(H)×67.2mm(W)×15.5mm(D)
Weightabout 212gVolume control120 steps +/- button control (via analog-domain controller
Recommended headphone impedance16~150 Ω (Headphone out)
16~300 Ω (Balanced out)
Equalizer10-band EQ (±6dB), 9 presets+custom preset, ViPER Effect
Bass boostN/ATreble boostN/A
Balance control10 dBGain controlLow/High
USB DACUp to 192kHz/24bit supported
Power specifications
USB power adapterDC 12/1.5A, 9V/2A, 5V/2A recommendedBattery Internal 3800 mAh High-voltage quick charging Li-polymer battery
Charging indicationvia LCD display and pulse LEDCharging time<100 min (DC 12V/1.5A)
<2.5 h (DC 5V/2A)
Battery indicationYes (accurate battery % readings)
Battery Life & Test Conditions
3.5mm headphone output:>8 h
LoadM3 open earbuds (27 Ω)ScreenOFF
Test FileMP3 44.1kHz/16bitEQOFF
2.5mm TRRS balanced headphone output?>7 h
Test FileMP3 44.1kHz/16bitEQOFF
Firmware UpgradeSupported both via zip file(inernal memory or external micro SD card) and OTAFont sizeChangeable
Third-party apps supportNo limit (recommended to install the apps listed on FiiO Market)
Line output specifications
THD+N<0.0008% (1 kHz/10kΩ)SNR≥119 dB (A-weighted)
Frequency response5 Hz~70 kHz(-3dB)Dynamic range>114 dB
Channel separation≥103 dB (1 kHz)Line level>1.8Vrms
Headphone out specifications (3.5mm headphone out jack)
Output power 1≥200 mW(16Ω / THD+N<1%)Output impedance<1.2Ω (32Ω loaded)
Output power 2≥150 mW(32Ω /THD+N<1%)Channel separation≥73 dB (1 kHz)
Output power 3≥17 mW(300Ω / THD+N<1%)THD+N<0.003% (1 kHz)
Frequency response6 Hz~60 kHz(-3dB)Peak output voltage>6 Vp-p
SNR≥116 dB (A-weighted)Max. output current>150mA (For reference)
Balanced headphone out specifications (2.5mm TRRS headphone out jack)
Output power 1≥380 mW(16Ω / THD+N<1%)Output impedance<1.7Ω (32Ω loaded)
Output power 2≥400 mW(32Ω /THD+N<1%)Channel separation≥97 dB (1 kHz)
Output power 3≥63 mW(300Ω / THD+N<1%)THD+N<0.003% (1 kHz)
Frequency response6 Hz~60kHz(-3dB)Peak output voltage>10 Vp-p
SNR≥119 dB (A-weighted)Max. output current>150 mA (For reference)
File format support
APE FAST/High/Normal:384kHz/24bit(MAX)
APE Extra High:192kHz/24bit(MAX)
APE Insane:96kHz/24bit(MAX)
Apple Lossless:384kHz/32bit(MAX)
WMA Lossless:96kHz/24bit(MAX)
Lossy compression:MP3, AAC, WMA, OGG...

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