XUELIN H8 Tuner
XUELIN H8 Tuner AK4497 OPA1642 HiFi Lossless Portable Music Player
pls check the details of optional module here : LME49990 + OPA1622 Balanced
Why make Tuner ?
The human ear has a lot of perceptual factors in understanding the sound, and is susceptible to external interference and even its own state. Even if the same person is on the same machine, the feelings heard during different periods and mentality may be very different.
XUELIN Tuner creatively platform the entire system, and each module can be independently combined to allow users to gain greater autonomy. And become a platform for enthusiasts to learn, improve, and exercise listening.
AK4497 is a high quality 32-bit dual channel DAC based on AKM's VELVET SOUND technology. The device offers low distortion with -116dB THD+N DAC and 128dB S/N
LPF op amp module
OPA1642 is a JFET input, low distortion, low noise op amp. Its high frequency is vivid, just like the triangular iron in the thunderstorm, crisp, clean and sweet.
MUSE8920 is a professional audio op amp with clear, clear sound and comfortable listening.
When capacitive coupling, the longitudinal sound field shrinks, the high-pitched sound is buckled, the middle sound is round and gorgeous, and the human voice is more enchanting.
When the direct connection is coupled, the sense of hearing is straightforward and the sound field is large. And the low frequency dive deeper and have a sense of energy
TPA6120--TI professional amp chip with amazing high indicators, clean and smooth sound
AD8397 - the most classic and most widely used amp. The voice is enchanting, and it is full of music.
CLASS discrete amp
XUELIN Tuner's CLASSA full-discrete headphone amplifier module integrates 88 parts in a coin-only limited space (25*25mm). Zen thoughts, do the dojo in the snail shell. It uses an excellent Walman architecture and jfet triode input, static 40mA, full thrust and sweet grip, no matter the hardware test indicators or the actual sense of hearing have achieved a surprising effect. This module is based on xueliniHiFi-2018 Class A amp transplant and retuned to fit the portable work environment.
2.4inch 360*400 pixel IPS screen
The resolution is 100% higher than that of the normal VGA screen. The UI is based on the mature 990 system and has been verified by thousands of users.
Storage: External TF card storage up to 128GB
Volume adjustment: PGA2311 volume
Display: 2.4inch retina liquid crystal (400*360dip)
Power Management: APX202/Power LDO: TPS7A33+TPS7A47
JZ4760 dual core 600MHZ master chip
Power Filter: Polymer + Super Solid Capacitor
1.RCA coaxial digital output interface (IEC-60958) and LINE OUT interface
2.HEADPHONE 3.5mm output connector (with 6.5mm earphone adaptor)
3.HEADPHONE 2.5mm Balanced output connector (requires optional balance module to work)
4.USB data and charging interface
5.TF card expansion interface
Standard module Optional modules will be launched
Audio coupling: Melaleuca cake film+MLCC
Auio coupling: Direct connection
AMP: CLASS A*1
(The following is based on unbalanced mode AK4497+MUSES8920+ capacitive coupling+class+ZERO)
APE ：Fast Normal High，8KHZ-192KHZ，16bit-24bit，Support CUE
WAV : 8KHZ-192KHZ，16bit-24bit-32bit，Support CUE
WMA /Wma Lossless: 8KHZ-96KHZ, 16bit-24bit
FLAC : 8KHZ-192KHZ，16bit-24bit，Support CUE
DSD/ DFF/ ISO DSD: 2.8KHZ,1bit
Aiff: 8KHZ-192KHZ, 16bit-24bit-32bit
MP2/MP3/ OGG: 8KHZ-48KHZ, 16bit
AAC: 8KHZ-48KHZ, 16bit-24bit
Earphone output power:400mw/16ohm 200mw/32ohm 48mw/300ohm
Coaxial output impedance:75ohm
Coaxial output level：500mv p-p
Line output basic level:2v±1.8dB(1KHz)
Noise ratio..≥110dB.A Weighting
Distortion and noise…..≤0.015%(1KHz)
Storage:TF card （Maximum 128GB）
Battery: 3000mah 4.2v lithium battery (LG485780)
Usb Cable ,One Minute And Three Connections(LINE+Coaxial)
Standard Module ( 8pcs, It Can Be Customized)
Will be shipped via DHL/UPS/EMS/FEDEX .
It is required to put your phone number on the parcel, please leave me your contact number when you pay.
All listed items will be shipped though Registered Airmail with tracking number if there is no extra shipping method option listed or shipping description in the product page.
Economy shipping: Will be shipped without tracking number.
Registered Airmail : Will be shipped via such as Hong Kong post , Deutsche Post , Netherlands Post , Singapore Post, you can leave us a message if you have any requirement about the shipping method .
It will be shipped via Hong Kong Post by default, Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE, pls leave us a message if needed.
Express service: Will be shipped via DHL/EMS/UPS/FedEx