Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 11AM Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enjoy Extended Returns thru Feb 1, 2017!
You have until Feb 1, 2017 to return or exchange items purchased between Nov 1, 2016 and Jan 1, 2017. All other standard return policy conditions apply.
Enter new zip code to refresh estimated delivery time.
The 1RU 905xl Stereo Audio Power Amplifier from Kramer is a high-performance, remote-controllable, Class-D power amplifier, and provides 110W of power per channel into 4 ohms load. This amplifier can be remotely controlled via its RS232 serial port.
Stereo Mode - 2 x 110W @ 4 ohms
Selectable balanced and unbalanced inputs
Remote control (RS-232) - Volume, EQ and input selection
Standard 19" 1RU size
In the Box
Kramer 905xl Stereo Audio Power Amplifier (1RU)
Limited 7-Year Warranty
Table of Contents
1 x unbalanced stereo audio on RCA connectors
1 x balanced stereo audio on a 5−pin terminal block connector
1 x speaker stereo audio on a 4−pin terminal block connector
760 mVpp (unbalanced), 1.2 Vpp (balanced)
55 W per channel into 8ohms, 110 W per channel into 4ohms
8 ohms: 49 dB (unbalanced), 45 dB (balanced)
4 ohms: 47 dB (unbalanced), 44 dB (balanced)
Output Music Power: 300 W per channel into 4 ohms
Bandwidth -3 dB Point
-120 dB @ 1 kHz, -111 dB @ 20 kHz
Bass: -15 dB to 14 dB @ 100 Hz
Mid: -13.7 dB to 13.7 dB @ 1 kHz
Treble: -13.7 dB to 13.8 dB @ 10 kHz
Balance: -46.9 dB to 0 dB
Volume: -80 dB to 32 dB @ 1 kHz
Loudness: -9 dB @ 500 Hz, -9 dB @ 1 kHz, -8.5 dB @ 15 kHz
Input: AC, Output: DC
Audio THD + Noise
<1% @ 1 kHz, 1V
Audio 2nd Harmonic
<0.1% @ 1 kHz
110 - 220 VAC, 50/60 Hz, 510 VA
32° to 104° F (0° to 40° C)
−40° to 158° F (−40° to +70° C)
10% to 90%, RHL non−condensing
19.00 x 7.24 x 1.75" (48.26 x 18.39 x 4.45 cm)
3.53 lb (1.6 kg) approx.
Kramer 905xl Stereo Audio Power Amplifier (1RU) Review