Harman/Kardon HK 990 HK 990/230 Leaflet

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In terms of raw power, the HK 990 is the most muscular amplifi er ever to carry the 
Harman Kardon

®

 name, more than capable of driving the most demanding loudspeaker 

loads without breaking a sweat. But the HK 990’s awesome power is nothing if not highly 
refi ned, extending beyond watts and amps. With a choice of discrete optical or digital 
inputs or an analog-only signal path, as well as fourth-generation Real-Time Linear 
Smoothing (RLS IV), 2.2-channel EzSet/EQ room optimization, dual subwoofer outputs, 
USB connectivity and an audiophile-quality phono preamp section, the HK 990 offers a 
combination of features you will fi nd irresistible. Others, of course, may simply hunger for 
all that power. We understand completely.

•  Audio Section – Continuous Average Power (FTC), (stereo mode): 150 watts per channel 

into 8 ohms @ 20Hz – 20kHz, <0.07% THD, both channels driven; High Instantaneous 
Current capability (HCC): ±100 amps

•  Dimensions (H x W x D) and weight: 165mm x 440mm x 435mm 

(6-1/2" x 17-5/16" x 17-1/8"), 19.6kg

Depth measurement includes knobs, buttons and terminal connections, unless stated otherwise; 
height measurement includes feet and chassis, unless stated otherwise.

•  High Current Capability
•  Ultrawide bandwidth
•  RLS IV
•  Digital inputs and outputs
•  USB input
•  EzSet/EQ

TM

 room optimization

•  Balanced XLR inputs
•  Phono input MM/MC
•  Dual subwoofer outputs
•  A/B speaker selection
•  Heavy-duty binding posts
•  Dual-path technology

/ HK 990

2 x 150W 2.2-Channel stereo integrated amplifi er