Home > Products > Hifi player > IHIFI 812 V2 8GB built-in WM8740 24BIT/192K DAC, AD8397 AMP portable music player
IHIFI 812 V2 8GB built-in WM8740 24BIT/192K DAC, AD8397 AMP portable music player
- 500 Piece / Pieces per Month
- shenzhen
- Credit Card
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Product Details
| Brand Name | IHIFI | Model Number | 812 | |
| Memory Size | 8GB | Screen | Yes | |
| Style | Card | |||
| Color | Black |
Product Description
Specifications
Supported formats: WAV APE FLAC AAC WMA OGG MP3 while the perfect cue file support.IHIFI 812 V2 8GB built-in WM8740 24BIT/192K DAC, AD8397 AMP portable music player
Product specifications:
IHIFI812V2 top portable music player (built-in WM8740 decoder, AD8397 amp)to create the mostserene
background, clear, sweet, wide sound field the sound!Portable audio player line system, while not
complex, but the difficulty is to do, such as the signal to noise ratio improved from 70db to 90db,
probably as long as one day, but from 90db to 95db upgrade may take 3 months. Each capacitor model,
each resistor, and even the direction of each signal line, we have done a lot of experiments, only
pcb design proofing has reached more than 10 versions. Even at the cost of raw material, widely used in
the industry's top components.
It has a built-in rechargeable Li-ion battery that can be charged only through 12V dedicated charger.
While connecting to the computer, the battery cannot be charged through USB line.
Amp: rail-to-top high-current op amp AD8397, the output current of up to 300MA, 69MHZ , bandwidth, 25 ohm load switching speed 53V/US.
| WAV AUDIO [Codec]: MS-ADPCM,IMA-ADPCM,PCM [compressed]: 4bit MS-ADPCM,IMA-ADPCM [Sample]; 8-48KHz | APE AUDIO [Codec]: Ver. 3.95, 3.97, 3.98, 3.99, normal and fast [Sample]; 8-48KHz | FLAC AUDIO [Codec]: FLAC [Sample]; 8-48KHz | MP3 AUDIO [Codec]: MPEG1/2/2.5 Audio Layer 3 [Bitrate]: 8~320Kbps, CBR and VBR [Sample]; 8-48KHz |
| AAC AUDIO [Codec]: ADIF ,ATDS Header AAC-LC and AAC-HE Sample]; 8-48KHz | WMA AUDIO [Codec]: Version 7, 8, 9, [Bitrate]: 8Kbps~320kbps [Sample]; 8-48KHz | OGG AUDIO [Codec]: Q-1- Q10 [Sample]; 8-48KHz |
Technical specifications:
| External loop (Line Out - Line) Sampling mode | 16-bit, 44 kHz |
| Frequency range | +0.07, -0.61 |
| Noise level | dB (A): -99.4 |
| Dynamic range | dB (A): 91.3 |
| THD % | 0.0018 |
| IMD +% | 0.0090 |
| Stereo separation | dB :82.3 |
| IMD (10 kHz) | %: 0.008 |
| Earphone output power | 450mW/16 Europe; 225mW/32 Europe; 99mW/150 Europe; 50mW/300 Europe. |
| Audio coupling | muse goddess art (two) |
| Filter | Sanyo Solid State (five) |
| Main filter | Philips Silver Blue Shell |
| lpf capacitor | Panasonic SMD film (5%, not an ordinary soldering iron) |
| Amp | ad8397ardz(High-current rail to rail op amp) |
| Decoding | WM8740(one) |
| lpf | ad8672 |
| Src | ad1896(11.2896 local clock, shaping and frequency stabilization |
| Supported operating system | Windows98/SE/ME/2K/XP,Mac OS 10,Linux2.4.2 |
| Operating environment | -5 to 40 °C |
Contact Us
- Shenzhen Longruixiang Trade Co., Ltd.
- Contact nameTina wang Chat Now
- Phone86-0755-82521355
- AddressRm212,block 404,Shangbu Industrial area,Huaqiang north road,Futian zone,, Shenzhen, Guangdong
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