The VS-121HCA is a 1U rack mountable switcher that simultaneously switches 12 stereo audio and 12 S/PDIF digital audio signals to single outputs without any digital conversion. It has front panel and remote control via RS-232, Ethernet, and IR and can be used standalone or with a companion switcher. It provides high quality switching with low distortion and noise and flexible control and connectivity options.

1. VS-121HCA
12x1 Stereo Audio - S/PDIF Switcher
The VS-121HCA is a high-
performance switcher for
stereo audio and S/PDIF
audio signals. The unit
consists of two independent
12x1 switchers that switch
simultaneously without any
analog to digital or digital
transcoding.

2. VS-121HCA
FEATURES TECHNICAL SPECIFICATIONS
Stand Alone or VS-121HC Companion INPUTS: 12 unbalanced stereo audio on
Switcher. a detachable terminal block
Inputs - 12 S/PDIF (RCA connectors) and 12 connectors; 12 S/PDIF on RCA
stereo audio (terminal blocks). connectors.
Outputs - 1 S/PDIF (RCA connector) and 1 OUTPUTS: 1 unbalanced stereo audio on a
stereo audio (terminal blocks). detachable terminal block
Front Panel Control Lockout. connector; 1 S/PDIF on RCA
Flexible Control Options - Front panel, RS-232 connector.
(K-Single™ Windows®-based software is MAX OUTPUT 6Vpp.
included), Ethernet & IR remote (included). LEVEL:
Worldwide Power Supply - 100-240V AC. BANDWIDTH (- 46kHz.
Standard 19” Rack Mount Size - 1U. Rack 3dB):
"ears" included. S/N RATIO: 80dB @1kHz.
CROSSTALK (all -75dB @1kHz.
hostile):
CONTROLS: 12 input selector buttons, RS-
232, RS-485, Ethernet, IR.
COUPLING: Input: AC, output: DC.
AUDIO THD + 0.062% @1kHz.
NOISE:
AUDIO 2nd 0.02% @1kHz.
HARMONIC:
POWER 100-240V AC, 50/60Hz, (115V
SOURCE: AC, USA) 8VA.
DIMENSIONS: 19" x 7" x 1U W, D, H, rack
mountable.
WEIGHT: 2.6kg (5.7lbs) approx.
ACCESSORIES: Power cord, null-modem
adapter, rack "ears", RC-IR2
remote control transmitter,
Windows®-based Kramer
control software.
OPTIONS: External remote IR receiver
cable.