| Size: |
2.91" x 4.8" x .47" |
| Display: |
backlit high contrast LCD display |
| Transmission Rate: |
128 mbps |
| Audio Output: |
20 Hz to 20 kHz |
| Power Supply: |
2 AAA batteries |
| Memory: |
| irock! 620! |
64 MB, as two 32 MB MMC memory cards (one in package, second card included with registration) |
| irock! 680 |
64 MB, as two 32 MB MMC memory cards |
| Signal to Noise Ratio: |
> 78 dB |
| Harmonic Distortion: |
<0.1% THD r2 = 32 ohms po =10mw |
| Maximum Output: |
> 2 x 2 x 7 mw (into 32 Ohms) |
| Audio Connectors: |
Dual 3.5 mm headphone jacks |
| Microprocessor: |
150 MIP, lowpower, DSP supports present and future music format. Upgrades available at http://www.myirock.com |
| Interface: |
full-speed USB |
| Acessories: |
Headphones, USB cable |
| Firmware: |
8 MB of built-in FLASH memory for firmware and font updates |
| FM Tuning: (irock! 680 only) |
87.5 to 108 Mhz, with 5 presets |
| Voice Recording |
G726 ADPCM encoding at 16 kbps (low quality) and 32 kbps (high quality). Record rates provide 4 and 2 hours respectively of recording on a 32MB card. High quality 16 bit recording at 176.4 kbps for karaoke sing along recording. |