Specifications

Io XT/4K v10.5 www.aja.com

Audio Inputs Digital • 16-channel, 24-bit SDI embedded audio, 48kHz sample rate, Synchronous

• 8-channel, 24-bit HDMI embedded audio, 48kHz sample rate, Synchronous

Audio Output

Digital

• • 16-channel, 24-bit SDI embedded audio, 48kHz sample rate, Synchronous

• • 8-channel, 24-bit HDMI embedded audio, 48kHz sample rate, Synchronous

Audio Output

Analog

• 8-channel, 24-bit D/A analog audio, 48kHz sample rate, balanced

(via 8x XLR on DB-25 breakout cable)

• +24 dBu Full Scale Digital (0 dBFS)

• +/- 0.2 bB 20Hz to 20kHz Frequency Response

Downstream Keyer • Supports graphics with alpha channel over video, matte or framebuffer content over

incoming video or matte.

4K to HD Down-

Conversion

• Real time, always-on dedicated down-conversion output (1 x BNC)

• 4K to 2K down-conversion

• UltraHD/QuadHD to HD down-conversion

Reference Input or

LTC Input

•1x BNC LTC Output

• 1 x BNC assignable to Reference video or LTC input

Reference: • Analog Color Black (1V) or Composite Sync (2 or 4V)

• Non-terminating

Physical • Interface: Thunderbolt 2 (2 x)

• Power: 10-20V, 30-60W*

NOTE: Nominal power is 30W. However, multiple connected Thunderbolt devices may place

additional power demands on Io 4K, which could increase the power draw to 60W.

Machine Control

• • RS-422, Sony 9-pin protocol

• • 9-pin D-connector pinout is as follows:

1. GND

2. RX-

3. TX+

4. GND

5. No Connection

6. GND

7. RX+

8. TX-

9. GND

Shell. GND