Model
ERGO
Processing
400MHz Blackfin DSP
RoomPerfect Algorithm Sample Rate - 96kHz
Room Correction Frequencies 20-500Hz
1024 tap FIR filter for room correction
Audio Spec
A/B Speaker Select and Control / Stereo Audio-In
Freq Response: 20Hz-20kHz
Signal to Noise Ratio: 118dB @ Fs=48kHz
THD+N: 0.0056% @ 1kHz, 20Hz-20kHz
S/PDIF In: 32kHz-96kHz
FireWire Spec
CoreAudio, WDM, and ASIO Driver support
FireWire Recording Interface Capable
Simultaneous 4 in, 6 out
Mechanicals
Illuminated Controls
Measurement Microphone
Headphone Output
Dimensions
ERGO: (H x W x D) 2.36” x 7.20” x 4.20”
60mm x 183mm x 107mm
Microphone Length: 197mm (7.75”)
Weight
610g (21.5 oz)
Ear Cushion for KNS8400 (pair)
CUSK00003
KNS Protective Bag for travel/storage
BAGK00009
1.5m headphone cable for laptop or portable
use
CBLK00032
VXT 4 Wall Adapter
KRKSTDX4W1
8-16654-00203-7
VXT 6/8 Wall Adapter
KRKSTDX68A1
8-16654-00205-1
VXT 35mm Pole Adapter
KRKSTDX4A1
8-16654-00201-3
VXT6GRL
8-16654-00134-4
VXT4GRL
8-16654-00133-7
Printed in China
2.5m coiled headphone cable
CBLK00027
KNS In-Line volume control
CBLK00031
1/8” to1/4” Screw-in adapter
CONK00007
10m straight headphone extension
cable
CBLK00030
3m straight headphone extension cable
CBLK00029
2.5m straight headphone cable
CBLK00028
Ear Cushion for KNS6400 (pair)
CUSK00001
Head Cushion for KNS8400
CUSK00004
Head Cushion for KNS6400
CUSK00002
Model
KRK10s
KRK12s
KRK12sHO
Configuration
Front loaded, vented subwoofer
Front loaded, vented subwoofer
Front loaded, vented subwoofer
System type
Active Subwoofer
Active Subwoofer
Active Subwoofer
Low-Frequency Driver
10" glass aramid composite woofer
12" woven Kevlar woofer
12" woven Kevlar High Performance woofer
Frequency Response
34Hz – 50Hz to 130Hz Variable
32Hz - 139Hz (left / right inputs)
29.2Hz - 60Hz - 160Hz (left / right inputs), 29.1Hz - 211Hz (LFE input)
Max Peak SPL
113 dB
119.5 dB
123 dB
Amplifier Class
Class A-B
Class A-B
Class A-B
Power Output
150 Watts Continuous @ 1% THD+N @ 100Hz
240 Watts Continuous @ 1% THD+N @ 100Hz
400 Watts Continuous @ 1% THD+N @ 100Hz
SNR (signal to Noise Ratio)
98dB
102dB
92dB
Amplifier Distortion (THD+N)
≤ 0.1% @-3dB of Maximum Power Output 20Hz - 200Hz
≤ 0.1% @-3dB of Maximum Power Output 20Hz - 200Hz
≤ 0.01% @-3dB of Maximum Power Output 20Hz - 200Hz
Input Impedance (Ohms)
10 kΩ Balanced or unbalanced
10 kΩ Balanced or unbalanced
10 kΩ Balanced
Ground Lift
On / Off
On / Off
On / Off
Low Pass Frequency
50Hz to 130Hz
55Hz to 170Hz
60Hz to 160Hz
HPF bypass
with footswitch only
with footswitch only
with footswitch only
Footswitch
Optional
Optional
included
Phase
0 or 180 degrees
0 or 180 degrees
Rotatable Phase + Polarity Switch
System Volume
-30dB to +6dB
-30dB to +6dB
-30dB to +6dB
Indicators
Power
Power, protection
Power, protection, limiter
Input Connectors
Stereo RCA for left and right, Stereo balanced TRS for left and right, stereo
balanced XLR for left and right
Stereo RCA for left and right, Stereo balanced TRS for left and right, stereo
balanced XLR for left and right
Balanced XLR for Left and Right Inputs
LFE input
N/A
Balanced TRS
Balanced XLR
Output Connectors
Stereo RCA for left and right, stereo balanced XLR for left and right
Stereo RCA for left and right, Stereo balanced TRS for left and right, stereo
balanced XLR for left and right
Stereo Balanced XLR for left and right, full range with foot switch engaged, 80Hz
HP without foot switch engaged.
AC Power Input
Selectable 110V-120V / 220V-240V
Selectable 110V-120V / 220V-240V
Selectable 110V-120V / 220V-240V
Enclosure Construction
15mm reinforced MDF
18mm reinforced MDF
18mm and 36mm reinforced MDF
Finish
black vinyl wrap
Textured Paint
Textured Paint
Port Configuration
Front firing slot port
Front firing slot port
Front Firing Quad Concentric Slot Ports
Grille
Metal Mesh
Metal Mesh
N/A
Dimensions (H x W x D)
15" (382mm) x 14" (355mm) x 16.06" (408mm)
18.11" (460mm) x 15.94" (405mm) x 22.64" (575mm)
20" (508 mm) x 20" (508 mm) x 22.48" (571mm)
Weight
39 Lbs. (17.7Kg.)
66.44 Lbs. (30.14 Kg.)
109.7 Lbs. (49.7 Kg.)
Model
KNS6400
KNS8400
Configuration
Closed back, circumaural
Closed back, circumaural
System type
Monitor Headphones
Monitor Headphones
Cable
2.5 m, (8.2 ft.), 99,99% OFC detachable
2.5 m, (8.2 ft.), 99,99% OFC detachable
Ear Cushion type
Acoustic cellular foam
Acoustic memory foam
Headpad Finish
Leatherette
Premium leatherette
Nominal Headband Pressure
4 N (based on average head size)
N/A
Ambient Noise Isolation
Up to 26 dBA
Up to 30 dBA
Tranducer
40mm, neodymium
40mm, neodymium
Power Handling Full Range
1000mW
1000mW
Nominal Impedance
36 ohms
36 ohms
Frequency Response
10Hz to 22KHz
5Hz to 23KHz
Sensitivity (1mW)
95 dB SPL
97 dB SPL
Calculated Max SPL
122 dB SPL
124 dB SPL
Connectors
Gold Plated Stereo 1/8th inch
Gold Plated Stereo 1/8th inch
Volume control
N/A
In cord, detachable
Finish
Black impact resistant plastic
Black impact resistant plastic
Dimensions (H x W x D)
3.7" (94mm) x 10.5" (267mm) x 9.6" (244mm)
3.7" (94mm) x 10.5" (267mm) x 9.6" (244mm)
Weight
0.46 Lbs. (0.21Kg)
0.5 Lbs. (0.23Kg)
ACCESSORIES
