PIPO Release a new 8" inch Windows Tablet PIPO W2 , Intel quad-core processor Bay Trail-T Z3735D Quad Core 1.8GHz, 2GB of RAM 32GB of Flash Disk, support TF card max to 32GB.
Thursday, September 4, 2014
Monday, September 1, 2014
Headphones for oneplus one
Some people ask me what headphones & in-ear headphones use with my OnePlus One? the headphones sound and build quality, fully functional remote with mic, vol + and -, pause and play with no app required. Xda, OnePlus forum, head-fi just about every reviewer has had positive things to say headphones for One+One.
OPO headphone out quality
I noticed most reviews didn't really really cover audio quality in depth, I did some testing on my own, hope the audiophiles out there will find this useful. I've seen reviews say the speakers and headphone jack were tuned by Yamaha, but no clear details on what they're using for the DAC chip.
OnePlus One The official response Q/A
Q: how good is the headphone audio on the Oneplus One?
A: We have AudioFX, which is hardware accelerated, uses less power than a software based equalizer and is system wide, so it improves the sound through all apps, not only the music one.
Q: As a person that cares about music, can you reveal what audio chip the OnePlus One uses for the headphone jack
A: We have AudioFX, which is hardware accelerated, uses less power than a software based equalizer and is system wide, so it improves the sound through all apps, not only the music one.
Q: As a person that cares about music, can you reveal what audio chip the OnePlus One uses for the headphone jack
A: Audio output is via a chip from Yamaha (incl. headphone jack output). The speakers are tweaked together with JBL.
Oneplus One headphone out quality is one of the best I've heard for a mobile phone, I think it's even slightly better than the iphone 4/4s, which historically has been considered one of the benchmark mobile devices for good headphone out quality with the Cirrus DAC chip used.
Thankfully CM supports USB Audio natively, so I borrowed a friend's Sony PHA-1 to do an A-B testing as well.
Testing details:
AudioFX turned off
Used a mix of 96/24 and 44.1/16 FLAC files, and 320kbps MP3 files
Mix of classical, vocal, rock, pop songs, also used the head-fi HDTracks FLAC testing files
Google Music app used to play all files (wanted to use the easiest option for most users, especially now that FLAC is supported)
AudioFX turned off
Used a mix of 96/24 and 44.1/16 FLAC files, and 320kbps MP3 files
Mix of classical, vocal, rock, pop songs, also used the head-fi HDTracks FLAC testing files
Google Music app used to play all files (wanted to use the easiest option for most users, especially now that FLAC is supported)
A-B testing with Sony PHA-1 and OPO headphone jack
OPO's signal is very clean, not much detectable distortion even at higher volumes. It has a very wide and detailed soundstage, especially when used with the M50x. Good resolution on the mid and high frequencies, although I found the Sony PHA-1 had a little more detail and resolution at all levels but particularly on the low end. Of course I could only catch these in a quiet room at home, for listening on the go the differences will be quite hard to tell. The differences were also more distinct with the higher quality FLAC files, which is to be expected. So for listening to 320kbps MP3s outside, I don't think a USB DAC is strictly necessary.
The OPO drove the M50x and TF10s well, used only 50-70% of the volume scale. When outdoors, I'm using around 80% in general. It's good to hear that the phone is able to play HD audio files and is able to drive ~40 ohms. As someone who have his headphones/earphones plugged in almost all the time.
TOP 1: Xiaomi Piston Headphones
Xiaomi Piston 2 Specs
TYPE In-ear headphones With 3.5mm jack Piston
Frequency Range 20-20000 Hz
Sensitivity 93dB
Cable Length 1.1M
Rated power 3mW
Impedance 12~16Ω
Frequency Range 20-20000 Hz
Sensitivity 93dB
Cable Length 1.1M
Rated power 3mW
Impedance 12~16Ω
Accessories:
4 pairs of eartips, 1xSmall, 1xMedium, 1xLarge and 1xBi-flange.
4 pairs of eartips, 1xSmall, 1xMedium, 1xLarge and 1xBi-flange.
The straight plug, and the Y-split which is also where the microphone and Android controls are placed, are all made of aluminum. control buttons and a Mic. Middle one is for answering the call and music pay. other two can be configure as volume control or songs control (next/previous).
The box is made of plastic and feels really good and stylish, beautifully displaying the all important parts of headphones.
Xiaomi Piston 2 on Nextbuying.com only $24.98 check out now, Xiaomi Piston outperform them in every way incl function and comfort. i'll be using on-ear headphones by gaming, the bass those headphones output is amazing.
TOP 2 Sennheiser PX 200-II Foldable Closed Mini On-Ear Headphone
TOP 2 Sennheiser PX 200-II Foldable Closed Mini On-Ear Headphone
A musical all-rounder which lets you enjoy your personal favorites ‘anytime and anywhere’ on your portable player or phone. Every detail has been attended to. These lightweight foldable headphones produce a warm, natural sound with a resounding bass and have won multiple awards. The closed-back design helps seal out background distractions to allow you to more fully immerse yourself in your music, while ensuring that there is no noise leakage to annoy fellow companions or commuters. Available in smart black or cool white.
Amazingly powerful sound for their small size
Unique, simple and sturdy fold-up design for easy and safe transportation
Closed-backed (sealed) ear cups block sound both ways
Unique, simple and sturdy fold-up design for easy and safe transportation
Closed-backed (sealed) ear cups block sound both ways
Type On-Ear Foldable Mini Headphone
Frequency Response 5 – 27,000Hz
Acoustic Design Closed Acoustics Block Outside Sound
Impedance 32 Ohms
Volume Control Yes
Cable Length 1.2m Single Sided Cable
Connector Plugs 3.5mm Straight Plug
Weight Approx. 88g
Frequency Response 5 – 27,000Hz
Acoustic Design Closed Acoustics Block Outside Sound
Impedance 32 Ohms
Volume Control Yes
Cable Length 1.2m Single Sided Cable
Connector Plugs 3.5mm Straight Plug
Weight Approx. 88g
TOP 3 Official Genuine Huawei Honor Engine Headphones ( 3.5mm, In-ear )
The headphones sound and build quality, fully functional remote with mic, vol + and -, pause and play with no app required.
Compatibility universal use, for most devices with 3.5mm headphones jack
Unique plane Engine appearance, attract your attention
Cabin door packing, unique and special
Compatibility universal use, for most devices with 3.5mm headphones jack
Unique plane Engine appearance, attract your attention
Cabin door packing, unique and special
Impedance: 32Ω
With Mic: yes
Cable length: 1.2m
Sensitivity: 108±3dB
Rated power: 5mW
Max input power:10mW
Color: white
With Mic: yes
Cable length: 1.2m
Sensitivity: 108±3dB
Rated power: 5mW
Max input power:10mW
Color: white
TOP 4 ATH-CK323iS
The Audio-Technica SonicFuel ATH-CK323i have a sensitivity of 100 dB, which is 3 dB lower than the average for all Headphones. Additionally, the headphones have a 16 ohm impedance, which is slightly worse than the average for all Headphones. Audio-Technica SonicFuel ATH-CK323i headphones have a frequency range of 20 Hz to 23,000 kHz, which is 22,977 kHz larger than the average for all Headphones.
Wired Connectivity
In-ear-canalphone Design
Headset Driver Units 8 mm
Headset Impedance 16 Ohm
Headset Sensitivity 100 dB/mW (Power On)
Headset Frequency Response 20 – 23000 Hz
SOUND FEATURES
Maximum Power Input 40 mW
In-ear-canalphone Design
Headset Driver Units 8 mm
Headset Impedance 16 Ohm
Headset Sensitivity 100 dB/mW (Power On)
Headset Frequency Response 20 – 23000 Hz
SOUND FEATURES
Maximum Power Input 40 mW
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