
E5-portable headphone amplifier
World’s smallest metal case headphone amplifier
The E5 is a Portable Headphone Amplifier designed to improve the sound quality and volume of any Digital Audio Player such as a MP3 or MP4 Player, Mobile Phone, Laptop, or Notebook. Following up on the ever popular E3 headphone amplifier the E5 creates a whole new listening experience.
While the E5 retains all the advantages of the E3, it has gives your listening experience a kick with some great new features of its own! It is encased in a tiny metal unit, so small it's barely noticeable - only 44.2mm x 38 mm x 12.6 mm! The E5 has an excellent in built volume control, so now you can connect directly to the line out of your digital audio device and control the volume directly from your E5!
More than just an upgrade!
That's right the E5 is more than just a jazzed up E3! It is in a world of its own, your E5 has a higher power output, better Signal to Noise ratio and Lower Distortion! The new TI’s headphone amp solution gives an increased sound quality and works more efficiently with high impedance headphones. The E5 is exploding with funky features like a EQ changer which means you can quickly change the sound of your device from flat to having a fantastic switches "Bass Boost"! Grab your E5 and a set of headphones, connect up your E5 between your audio device and the headphones and your set to experience the ultimate mobile listening experience!

Features
Designed for high impedance and low sensitivity headphones
Easy to carry and use in the outdoors
Increases your music player's play time
New amplifier IC, with higher S/N and lower distortion!
Very high PSRR, and with a metal case.
Reduces the noise caused by GSM mobile phones
Individual power switch
Electronic volume control, ( means very low distortion and avoids the adjustment noise caused by a potentiometer);
Two sound effects: Flat and Bass Boost mode
Built-in Rechargeable battery, gives about 20 hours playtime at normal volume!
Mini USB charger port!
With a built-in metal clip, you can clip the E5 onto anything!

Specs
- Output Power: 100 mW (32 ohms Loaded) 18 mW (300 ohms Loaded)
- Signal to Noise Ratio: >= 98 dB (A Weight)
- Power Supply: build-in 200mAh rechargerable battery
- Frequency Response: 10 Hz - 60 kHz
- Distortion: < 0.009% (10 mW)
- Voltage: USB DC5V
- Output Power:150 mW (16 ohms Loaded), 12 mW (300 ohms Loaded)
- Signal to Noise Ratio: >= 95 dB (A Weight)
- Distortion: < 0.009% (10 mW)
- Frequency Response: 10 Hz - 100 kHz
- Suitable Headphone Impedance: 16 ohms - 300 ohms
- Weight: 30g
- Power Supply: build-in 200mAh rechargerable battery
- Dimensions: 44.2mm x 38 mm x 12.6 mm