Harman/Kardon

Harman Kardon Radiance 2400

Details
Variations

Wireless Home Audio System



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An unparalleled home audio experience

The best seat in the house—wherever you are.

Music and home theater reach new heights of sound and beauty. Big dramatic moments rattle the ice in your glass. Romantic whispers tickle your ears. Immersive, room-filling sound, without wires or big boxy speakers.

The perfect blend of sleek minimalist design and premium materials, Harman Kardon Radiance 2400 features two ultra-slim floor-standing speakers and a powerful subwoofer, producing a rich, detailed soundscape. Constant Beamwidth Technology™ fills your room, so everyone gets the same exhilarating experience. A compact digital hub connects to your TV and other AV devices, while Wi-Fi allows easy access to your favorite HD music streaming services.

You won’t believe your ears. Or your eyes.

Item# HK RADIANCE 2400-

General Specifications

Total system output power 450 W RMS
Tower output power 125 W RMS
Subwoofer output power 200 W RMS
Tower transducers 24 x 1.25" (32mm)
Subwoofer transducer 10" (250mm)
Total harmonic distortion (THD) <1 %
Power supply 100-240V~50/60Hz
Operating temperature 0°C - 45°C
HDMI video input 4
HDMI video output (with Audio Return Channel) 1
HDMI HDCP version 2.3
HDR HDR10

Audio Specifications

Audio inputs 1 Optical, 1 Aux, Bluetooth, Wi-Fi Audio
Frequency response 35Hz - 20kHz

Dimensions

Tower dimensions (D x H) 12.60” x 69.68” (320mm x 1769mm)
Tower weight 16.8 lbs (7.6kg)
Subwoofer dimensions:  (W x H x D) 11.65” x 15.73” x 11.65”(296mm x 400mm x 296mm)
Subwoofer weight 32.19lbs / 14.6kg
Packaging dimensions (W x H x D) 46.06'' x 30.55'' x 20.87" (1170 x 776 x 530 mm)
Packaging weight (gross) 106.26 lbs/ 106.26 lbs/ 48.2 kg

Control and Connection Specifications

Bluetooth version 4.2
Bluetooth Frequency Range 2402MHz-2480MHz
Bluetooth Transmitter power ≤10 dBm (EIRP)
Bluetooth Transmitter modulation GFSK, π/4 DQPSK, 8DPSK
Wireless network 802.11 a/b/g/n/ac
2.4G Wi-Fi Frequency Range 2412 – 2472MHz (USA and Canada 11 Channels, Europe and others 13 Channels)
2.4G Wi-Fi Transmitter power ≤20 dBm (EIRP)
2.4G Wi-Fi modulation DBPSK, DQPSK, CCK, QPSK, BPSK, 16QAM, 64QAM
5G Wi-Fi transmitter power ≤23dBm (EIRP)
5G Wi-Fi modulation QPSK, BPSK, 16QAM, 64QAM, 256QAM
5G Wi-Fi transmitter frequency range 5.15~5.35GHz, 5.470~5.725GHz, 5.725~5.825GHz
5G WISA transmitter power ≤14dBm (EIRP)
5G WISA modulation OFDM, BPSK, QPSK, 16QAM
5G WISA transmitter frequency range 5.15~5.35GHz, 5.470~5.725GHz, 5.725~5.825GHz
Click here for a complete list of all specs for this product

Spec Sheet (English)

English 2 MB
  • 2 x Towers
  • 1 x Subwoofer
  • 1 x Radiance 2400 digital hub
  • 1 x Power cables
  • 1 x Remote control with batteries
  • 1 x HDMI cable
  • 1 x Optical cable
  • 8 x Carpet Spikes
  • 8 x Adjustable Rubber Feet
  • 1 x Harman Kardon Radiance 2400 story booklet
  • 1 x Quick start guide
product box
{"totalSize":12,"done":true,"searchRecords":[{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yHAAAY"},"Title":"HK Radiance 2400: Center channel or surround speakers","Id":"ka25d0000010yHAAAY","ArticleNumber":"000018589","Question__c":"Center channel or surround speakers","Process__c":"It is not possible to connect further speakers (center or rear) to the system.

The Harman Kardon Radiance 2400 is a 2.1 sound system. With it's unique sound characteristics and sound dispersion, it can fill a large room with high quality sound. ","Answer__c":"It is not possible to connect further speakers (center or rear) to the system.

The Harman Kardon Radiance 2400 is a 2.1 sound system. With it's unique sound characteristics and sound dispersion, it can fill a large room with high quality sound. ","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yGUAAY"},"Title":"HK Radiance 2400: Connecting a turntable","Id":"ka25d0000010yGUAAY","ArticleNumber":"000018548","Question__c":"Connecting a turntable","Process__c":"It is possible to connect a turntable to the AUX input of the Radiance 2400. Depending on the turntables output specifications, a phono-preamplifier will in most cases be necessary to connect in-between.","Answer__c":"It is possible to connect a turntable to the AUX input of the Radiance 2400. Depending on the turntables output specifications, a phono-preamplifier will in most cases be necessary to connect in-between.","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yGwAAI"},"Title":"HK Radiance 2400: Connecting the remote control","Id":"ka25d0000010yGwAAI","ArticleNumber":"000018575","Question__c":"Connecting the remote control","Process__c":"If the remote control stopped working, please check if the batteries are drained. If so, replace them with new ones.

The remote control may have failed to connect with the digital hub. On the touchscreen, tap “Options” > “Remote Control”, then follow the onscreen instructions to pair with the digital hub again.","Answer__c":"If the remote control stopped working, please check if the batteries are drained. If so, replace them with new ones.

The remote control may have failed to connect with the digital hub. On the touchscreen, tap “Options” > “Remote Control”, then follow the onscreen instructions to pair with the digital hub again.","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yGbAAI"},"Title":"HK Radiance 2400: Constant Beamwidth Technology","Id":"ka25d0000010yGbAAI","ArticleNumber":"000018555","Question__c":"Constant Beamwidth Technology™","Process__c":"Developed for HARMAN Professional Solutions, this technology ensures every listener in the room enjoys the same exhilarating sound experience via precisely-tuned beam-forming components. HARMAN’s revolutionary technology uniquely unites 24 precisely calibrated 1.25” transducers in each of the elegant Radiance speakers to deliver the same superior sound coverage from corner to corner. ","Answer__c":"Developed for HARMAN Professional Solutions, this technology ensures every listener in the room enjoys the same exhilarating sound experience via precisely-tuned beam-forming components. HARMAN’s revolutionary technology uniquely unites 24 precisely calibrated 1.25” transducers in each of the elegant Radiance speakers to deliver the same superior sound coverage from corner to corner. ","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yGNAAY"},"Title":"HK Radiance 2400: Differences between traditional speakers and Radiance with CBT","Id":"ka25d0000010yGNAAY","ArticleNumber":"000018540","Question__c":"Differences between a traditional loudspeaker system and the Radiance speaker with CBT","Process__c":"Harman Kardon Radiance 2400 uses patented Constant Beamwidth Technology (CBT) with 24 drivers to create an all-new listening experience. Typical loudspeakers have very narrow sound dispersion in the mid-range and high frequencies, making a very narrow sweet spot for one listener. On the other hand, CBT delivers room-filling sound dispersion and a resulting wide sweet spot, so everyone in the room has great listening experience. The use of CBT allowed us to reduce the cabinet size dramatically. This resulted in a very sleek loudspeaker that does not compromise on sound but looks even better when compared to bulky wooden floor-standing speakers in combination with large AV components.","Answer__c":"Harman Kardon Radiance 2400 uses patented Constant Beamwidth Technology (CBT) with 24 drivers to create an all-new listening experience. Typical loudspeakers have very narrow sound dispersion in the mid-range and high frequencies, making a very narrow sweet spot for one listener. On the other hand, CBT delivers room-filling sound dispersion and a resulting wide sweet spot, so everyone in the room has great listening experience. The use of CBT allowed us to reduce the cabinet size dramatically. This resulted in a very sleek loudspeaker that does not compromise on sound but looks even better when compared to bulky wooden floor-standing speakers in combination with large AV components.","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yBWAAY"},"Title":"JBL & HK WiFi Speakers: Speaker connected through Device Utility app, but not found in Google Home app","Id":"ka25d0000010yBWAAY","ArticleNumber":"000018239","Question__c":"I have connected my speaker using the Device Utility app, but the Google Home app cannot find the speaker. What should I do?","Process__c":"Close and restart the Google Home app, or restart your phone. Start the Google Home app again, and the speaker should now appear.
 ","Answer__c":"Close and restart the Google Home app, or restart your phone. Start the Google Home app again, and the speaker should now appear.
 ","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yGpAAI"},"Title":"HK Radiance 2400: Multiroom","Id":"ka25d0000010yGpAAI","ArticleNumber":"000018568","Question__c":"Multiroom features","Process__c":"You can create a multi-room setup using Chromecast built-in™ or Airplay, linking to other speakers with the same feature including the Harman Kardon Citation Series.","Answer__c":"You can create a multi-room setup using Chromecast built-in™ or Airplay, linking to other speakers with the same feature including the Harman Kardon Citation Series.","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yGiAAI"},"Title":"HK Radiance 2400: Pairing subwoofer or tower","Id":"ka25d0000010yGiAAI","ArticleNumber":"000018565","Question__c":"Pairing subwoofer or tower","Process__c":"Check if the tower and subwoofer’s LEDs are in solid white color. A blinking LED means a disconnection. In this case, hold RESET on the back of the tower or subwoofer for 5 seconds to enter pairing mode. On the touchscreen, tap “Speaker Setup” > “Pairing” > “Tower Setup” or “Subwoofer pairing”, then follow the onscreen instructions to pair with the digital hub again.","Answer__c":"Check if the tower and subwoofer’s LEDs are in solid white color. A blinking LED means a disconnection. In this case, hold RESET on the back of the tower or subwoofer for 5 seconds to enter pairing mode. On the touchscreen, tap “Speaker Setup” > “Pairing” > “Tower Setup” or “Subwoofer pairing”, then follow the onscreen instructions to pair with the digital hub again.","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yH3AAI"},"Title":"HK Radiance 2400: Handling surround sound formats","Id":"ka25d0000010yH3AAI","ArticleNumber":"000018584","Question__c":"Surround Sound formats","Process__c":"Harman Kardon Radiance 2400 can decode Dolby Audio and DTS.

Dolby Atmos is not supported, but will be rendered as Dolby Audio.
Dolby Digital 5.1 and DTS Surround (2.0 and 5.1) is supported, but will be downmixed to 2.1/2.0.
DTS Master Audio is not supported.","Answer__c":"Harman Kardon Radiance 2400 can decode Dolby Audio and DTS.

Dolby Atmos is not supported, but will be rendered as Dolby Audio.
Dolby Digital 5.1 and DTS Surround (2.0 and 5.1) is supported, but will be downmixed to 2.1/2.0.
DTS Master Audio is not supported.","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yG9AAI"},"Title":"HK Radiance 2400: Voice control","Id":"ka25d0000010yG9AAI","ArticleNumber":"000018527","Question__c":"Voice control","Process__c":"Even though the Google Assistant is not built-in, Harman Kardon Radiance 2400 is compatible with a voice-assistant speaker, like the Harman Kardon Citation Series.","Answer__c":"Even though the Google Assistant is not built-in, Harman Kardon Radiance 2400 is compatible with a voice-assistant speaker, like the Harman Kardon Citation Series.","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yBkAAI"},"Title":"JBL & HK WiFi speakers: Device needs to be activated before setup","Id":"ka25d0000010yBkAAI","ArticleNumber":"000018258","Question__c":"When trying to set up my speaker with the Google Home app, I get a message that says “Device needs to be activated before setup”. How do I proceed?","Process__c":"If you see this message, you must download the Device Utility app from the Google Play Store. Follow the instructions in the app to activate your speaker, and then return to the Google Home app to complete the setup.
 ","Answer__c":"If you see this message, you must download the Device Utility app from the Google Play Store. Follow the instructions in the app to activate your speaker, and then return to the Google Home app to complete the setup.
 ","ArticleType":"How_Tos__kav"},{"attributes":{"type":"Knowledge__kav","url":"/services/data/v45.0/sobjects/Knowledge__kav/ka25d0000010yC5AAI"},"Title":"JBL & HK WiFi Speakers: WiFi network does not appear in list","Id":"ka25d0000010yC5AAI","ArticleNumber":"000018274","Question__c":"When using the Device Utility app to set up my speaker, my Wi-Fi network is not appearing in the list. How can I connect to my Wi-Fi network?","Process__c":"If the network does not appear, you can manually type in the network name (SSID) and password to connect.
 ","Answer__c":"If the network does not appear, you can manually type in the network name (SSID) and password to connect.
 ","ArticleType":"How_Tos__kav"}]}

FAQs