●Designed for high impedance and low sensitivity headphones, with bass boost function;
●Small and easy to carry and use in the outdoors;
●Increase your music player's play time;
●Uses only one AAA battery, for 20 hours playtime.

●Easy to carry and use in the outdoors
●New amplifier IC, with high S/N and low distortion
●Individual power switch
●Electronic volume control
●Two sound effects: Flat and bass boost mode
●Built-in Rechargeable battery
●Mini USB charger connector
●With a built-in metal clip

●Designed for iPod/iPhone,
●Improves the sound quality with the line out from the dock
●Build in high quality Texas Instruments’s headphone amplifier Intergrated Circuit
●High power output to drive high impedance or low sensitivity headphones or earphones
●Easy control of the playback of the iPod/iPhone while the player stays securely in your pocket;
●Compatible with iPod Nano, iPod Video, iPod Touch, iPhone, all generations & all versions
●Easy & simple to use, plug and play,
●Powered by the iPod/iPhone (no charging or battery needed)
●Traditional Apple white style, with a built-in clip, you can clip it onto anything

●Two channel power output, suitable for both of headphone with 3.5 and 6.35mm.
●Main power amplifier use the TI corporation‘s, it with 5uVrms noise,low distortion 0.00014% THD + N;high switching rate, 1300V/uS current-feedback model IC:TPA6120
●With on/off mute function;usingsealed relays for protecting power amplifier output; using ALPS sealed low noise potentiometer
●Internal audio buffer amplification BB OPA2134: FET input, with advantages of
low noise:8nVsqrHz; low distortion 0.00008%THD; high switching rate:20V/uSand so on
●E7 special base, perfect realization USB connection with audio decoding DAC, also can to E7 charging
●With LOW ( 10dB ) /RIGH(18dB) gain choice
●Two audio output: one is the 3.5mm port of E9 (adjustable output); another one is port of RCA output (fixed/ unadjustable output)
●Built-in power converter module, high efficiency, high precision and low noise, to meet great needs of dynamic signal processing
●LED power indicator light
● With function of output priority of headphone plugging-in, the external output RCA will not work after inserting headphone

●Small size, easy to carry
●Built-in high-performance lithium battery, standard BL-5B model, convenient to replace.
●High efficiency and low noise power boost, precision separate pressure for dual-supply, satisfy large dynamic signal.
●Heavy current three channels amplified circuit, effective to lower the output impedance.
●Volume control use the closed APLS potentiometer, ensure the low noise and good channel balance.
●Three levels bass boot, can meet different needs of the sound.
●Two levels gain option, suitable for using with different phones.
●Two levels working voltage option, satisfy different needs of the trends (hidden design)
●Auto-lock protective circuit, will cut off automatically when abnormal cases happened to protect the headset and your hearing.
●Charge priority function: This machine will stop working immediately when charge it, meanwhile, red light is on and blue one off. When the battery has been charged completely, please unplug the external source, this machine begin to work again, at the same time, the red light off, blue light on.

● Built-in high-performance phase locked loop (PLL), with extra-low JITTER digital receiver chip WM8805.
● Maximum support 192KHz/24bit audio signal
● Optical/coaxial optional input function
● 2 channels standard RCA output port
● Indication for digital receiving status (LOCKED)
● MINI USB power supply port

* Image refer to E9, should be similar.
● Dual- channel power output, 3.5 and 6.35 for two headphone plug;
● TI’s main power amplifier with a noise 5uVrms; low distortion 0.00014%THD+N; high conversion rate 1300V/uS the current feedback IC: TPA6120;
● With on/off mute function: is sealed relays to do the amplifier output protection; sealed with low-noise ALPS potentiometer.
● Internal audio buffer amplification BB OPA2134: FET input, has advantages: 8nVsqrHz; low distortion 0.00008%THD; high switching rate: 20V/uS and so on.
● APPLE base, achieve iPod, iPhone the line out of output amplifier, charging device, connected to the computer through USB synchronization data exchange.
● With LOW ( 10dB ) /HIGH(18dB) gain selection.
● Two audio output: adjustable via E9i output (3.5mm hole); fixed, not adjustable output (RCA output);
● Built-in power converter of high efficiency, high precision and low noise power converters to meet the high dynamic signal processing.
● LED power indicator Power.
● Headphone into the priority output, plug in your headphones, the external output RCA invalid, 3.5mm invalid.

● Adopt two forms of circuit: preamp and power amplifier.
● Adopt TI company’s high performance audio operational amplifier OPA2134 signal process as preamp; With low noise, low distortion and high conversion rate.
● Adopt NXP high efficiency Class D amplifier TFA9815T as power amplifier; BTL output to make low voltage and large current.
● Designed with two sound channels with different carrier (550KHz / 600KHz), realize hi-fi conversion and at the same time avoid mutual interference.
● "0" dead zone design and its perfect protection function: overheating, over-current, over-voltage, undervoltage, with own detection protection when boot up.
● Differential input level and combined with adjustable negative feedback circuit, ensure low noise and low interference and low distortion
● On/off mute function
● Use closed APLS potentiometer, ensure low noise and good channel balance
● RCA and 3.5mm two audio input, for convenient to connect.
(3.5mm audio input in the first priority, the RCA will be off when insert the audio input.)
● Minimum output 4 ohm adaptive impedance.
● Combined with Banana plug/terminal output interface, convenient to connect with speakers.

●USB audio decoding and output for PC, functioning as a high quality external USB soundcard;
●Texas Instruments’ PCM2706 serves as USB receiver. For better sound quality, a Wolfson WM8740 serves as digital-to-analog convertor (DAC), pairing with a high performance operational amplifier from ADI for the DAC circuit;
●Build-in headphone amplifier utilizing AD8692 and Texas Instruments’ TPA6130A as pre- and power-amp for high performance, good resolution, low distortion, and powerful output;
●Standard 3.5mm stereo line-in jack for portable amplification with conventional audio source;
●Dual 3.5mm headphone output jack. Convenient design makes it easy to share music between two listeners;
●World’s first portable headphone amplifier with dual colors OLED display;
●Easy to use digital volume control function with great precision and channel balance;
●Build-in EQ for 3 levels of Bass Boost;
●Build-in rechargeable 1050 mAH Li-ion battery for 80 hours of continuous operation;
●Specialized dock for connecting E9 to experience an even higher performance;
●Quality anodized aluminum satin finish case design, small and compact, ideal to be wrapped together with digital audio player;
●User selectable USB charging function to help prolong battery lifespan and lower distortion from power supply circuit;
●User definable startup volume memory and maximum volume limiter to protect user from hearing damage due to loud volume;
●Automatic keylock feature;
●User definable sleep timer function and total runtime display.

●Small size, easy to carry
●New power amplifier circuit, high SNR, low distortion
●Adopt positive and negative power supply, satisfy with large Dynamic Signal Processing
●Electronic volume control
●Key lock function
●Built-in rechargeable lithium battery, normally work above 10 hours (This for reference only)
●Built-in three types of EQ option with different bass effect and a high level option.
●Standard MINI USB connector
●Removable transparent back splint (lean 45°), to meet different needs.

●USB interface provides dual direction audio input and output.
●USB powered with no need for external power supply; safe and convenient.
●electronic volume control with mute function.
●High performance headphone amplification.
●Dual microphone inputs.
●Microphone mute function.
●Stereo LINE OUT output for connection with amplifier or active speakers.
●Automatically mutes LINE OUT when headphones are connected.
●RCA coaxial output for convenient connection to external DAC for better sound quality.
●LED indicator lights for microphone mute and device status.

Main feature:
1. Support up to 96K/24bit USB decode.
2. Line out,
3. Coaxial out,
4. Headphone Out,
5. Bass boost.
6. Gain switcher.
7. Full metal case.
8. Powered by USB only.
9. Alps potentionmeter.
10. USB receiveer + Individual DAC + headphone amp
11. Clean power supply design

L1 Dock for iPod/iPhone -3.5mm stereo plug
● Designed with one 3.5mm to Apple's dock connectors, Allow you to connect portable audio equipment, such as power amplifier, headphone amplifiers, to the line out of the iPod/iPhone/iPad. Designed with high-quality materials, L1 isolate your signal from interference to deliver cleaner, more accurate sound from iPod/iPhone/iPad.

L2 Stereo Audio Cable 3.5mm to 3.5mm
● Designed with two 3.5mm to 3.5mm, Allow you to connect portable audio equipment, such as power amplifier, headphone amplifiers, to any device with 3.5mm audio outpur. Designed with high-quality materials, L2 isolate your signal from interference to deliver cleaner, more accurate sound

L3 Dock for iPod/iPhone - 3.5mm stereo plug
● Designed with one 3.5mm to Apple's dock connectors, Allow you to connect portable audio equipment, such as power amplifier, headphone amplifiers, to the line out of the iPod/iPhone/iPad. Designed with high-quality materials, L3 isolate your signal from interference to deliver cleaner, more accurate sound from iPod/iPhone/iPad.

L5 Lineout-3.5mm STEREO PLUG for SONY MP3
● Designed with one 3.5mm to SONY's dock connectors, Allow you to connect portable audio equipment, such as power amplifier, headphone amplifiers, to the line out of the SONY walkman. Designed with high-quality materials, L5 isolate your signal from interference to deliver cleaner, more accurate sound from walkman.

L8 Stereo Audio Cable 3.5mm "L" to 3.5mm "L".
● Designed with two 3.5mm "L", Allow you to connect portable audio equipment, such as power amplifier, headphone amplifiers, to any device with 3.5mm audio output. Designed with high-quality materials, L8 isolate your signal from interference to deliver cleaner, more accurate sound.

L7 Dock kit for E7
● L7 Must be used togather with E7. Insert the E7's necessary USB cable in the L7 mini USB interface, line out through 3.5 interface to other amplifier. At this point, E7 only as a separate USB DAC work.

L9 Lineout dock Cable, "L"plug.
● Designed with a dock connector, insert iPod/iPhone and lineout to 3.5 stereo plug. Used to connect portable audio equipment, such as power amplifier, headphone amplifier. High-quality materials made in OYAIDE Japan, L9 by the use of a new way to save space, easy to carry.

L10 Lineout dock cable for iPod/iPhone
● L10, specially designed for the user with iPod /iPhone using on the car, mainly use to connect the iPod/iPhone with AUX IN connector in the car，it is convenience to use with slim and soft L10 whose length is 50cm and play the audio file in the iPod/iPhone via the car audio .

LU1/LU2 Smart Adaptor Cable
● Some famous HIFI headphone brands designed many micphone earphone specifically for iPhone/iPod, if you want to use same earphone connecting different brand cellphone ,Such as Nokia a Smart Adaptor Cable is necessary , and we can enjoy same micphone earphone functions with different brand cellphone such as NOKIA, HTC, MOTO, SAMSUNG, LG.

RC-UE1 Re-cable for Earphones - *NEW*
● RC-UE1 is a kind of cable which is designed for upgrading the earphones like TF10,UE5EB,UE5pro,etc. The wire is made by OYAIDE (Japan), use high-purity OCC material and has been processed through low temperature annealing. so the wire looks thick and big, but it's soft,durable and has excellent tensile.