K-300i Owner’s Reference
© 2018 by Krell Industries LLC. All rights reserved.
Page 15 of 18
Specifications
Analog Inputs
2 pr. balanced via XLR connectors
3 pr. single-ended via RCA connectors
Digital Inputs (optional)
1 EIAJ Toslink Optical
1 S/PDIF Coax
2 HDMI (HDMI 2.0a, HDCP 2.2) + 1 HDMI Output
1 USB-A (USB 2.0 host)
1 USB-B (USB 2.0 audio device)
1 Bluetooth with aptX
Outputs
1 pr. preamp outputs via RCA connectors
1 pr. speaker outputs via gold-plated binding posts
Control inputs
1 RS-232 input via 9-pin D-subminiature connector
1 remote IR detector input via 3-conductor 3.5 mm connector
1 12 VDC trigger input via 2-conductor 3.5 mm connector
Control output
1 12 VDC trigger output (60 mA maximum current) via 2-conductor 3.5 mm connector
Input impedance
Balanced: 16 kΩ
Single-ended: 8 kΩ
Frequency response
20 Hz to 20 kHz +0, -0.22 dB
<10Hz to 100kHz +0, -0.57 dB
Signal-to-noise ratio
>104 dB, wideband, unweighted, at 2V RMS in balanced, referred to full power output
>117 dB, “A”-weighted
Gain
25 dB, referenced to 2V RMS in balanced and full power output
Input Overload
10.4 V RMS Balanced
6.8 V RMS Single-ended
Total harmonic distortion
<0.015%, 1 kHz, 150 W, 8 Ω load
<0.08%, 20 kHz, 150 W, 8 Ω load
Output power
150 W RMS per channel at 8 Ω
300 W RMS per channel at 4 Ω
Output voltage
98 V peak to peak
34.6 V RMS
Output current
13 A peak