Graham Slee's First Portable Headphone Amp is About the Size as an iPod Classic! 

The Graham Slee Voyager is a very unique, glorious sounding portable headphone amplifier, sure to please any audiophile with its warm tonal balance and excellent dynamics. The best part... you can take it with you wherever you go!

"Voyager is notable for two things; eerie smoothness across the midband and strong but supple bass. The Voyager removed at a stroke the iPod's cold, steely, hardness and limp bass response. In its place is a warm, fulsome and naturally musical sound with nicely detailed treble that's as fluid as it is spacious. In short: it sounds just like a Graham Slee phonostage!"
- David Price, Hi-Fi World, April 2008

Lightweight, small, portable and very flexible, Voyager can be used as the cornerstone for a home system or in conjunction with an iPod or other portable music device.  Voyager is compatible with headphones from 16 to 600 Ohms.  It even has a special contour switch to improve the sound of portable headphones.

Voyager has a 3.5mm input and a 3.5mm headphone jack and can be powered several ways; via internal 9V battery (not included), external power supply (provided) or via USB.  Please note, USB is only used for powering the Voyager, it cannot read data over your computer's USB connection.

Dimensions HWD: 1.10" x 2.64" x 4.9" (about the size of an iPod Classic)
Weight: 6 Oz. (1.5Lbs with plug top PSU)
Case : Black ABS and Polyester
Battery life: 50 hours continuous play, 2-3 weeks average usage
Output: 12mW rms into 32 Ohms, 10mW rms into 600 Ohms
Frequency Response: Flat: 5Hz to 70kHz (-3dB), Contour: +10dB at 45Hz and 20kHz
Channel Balance: 0.5dB*
Hum & Noise: -94dB CCIR Q-pk 20Hz-20kHz, <-100dB "A" curve weighted
Stereo Crosstalk: -52dB
Distortion (THD+Noise): at 80Hz: 0.03%, at 1kHz: 0.03%, at 5.6kHz: 0.05%, at 16kHz: 0.13%
Power sources: Battery, 9V (MN1604; 6LR61), USB 5V via "mini-B" (internal analogue voltage conversion to 9VDC), AC/DC mains adapter 12-24V DC, (polarity protection on each)
* = typical

Graham Slee Voyager Trusted Reviews Review

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