Item# MS 150/AM

MS 150


A two-channel, 30-watts music system with iPhone/iPod dock

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The multi-talented Harman Kardon® MS 150 music system and alarm clock includes virtually everything you need to replay music from a variety of sources. A slot-loaded CD player, FM RDS tuner and universal docking station for your iPhone or iPod deliver high-fidelity playback to a pair of embedded bass-reflex loudspeakers powered by an amplifier at 30 watts per channel. And for seamless integration with legacy audio products, the system features a number of auxiliary analog and digital inputs for connection to your laptop, MP3 player and similar devices. With its polished black surfaces, futuristic oval shape and simple-to-use design, the MS 150 is the kind of audio system that serves both form and function, complementing virtually any interior design scheme. The overall result is a compact powerhouse that represents a perfect solution for the home, the office or wherever you enjoy your favorite music.

Know What's In The Box

  • 1 MS 50 stereo sound system
  • 1 remote control
  • 1 FM antenna with 6-foot (1.8-meter) cable
  • 1 40-inch (1-meter) male-to-male cable with 1/8-inch (3.5-millimeter) stereo mini plugs
  • 1 40-inch (1-meter) optical digital-audio cable
  • 1 external power supply with detachable power cord
  • 1 detachable dock for iPod/iPhone with five adapters
  • 2 AAA batteries
  • Owner’s manual

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A pair of embedded bass-reflex loudspeakers powered by a 30-watt-per-channel amplifier features 5-inch (125-millimeter) felted-paper, low-frequency ported drivers, coupled with 3/4-inch (19-millimeter) high-frequency transducers with titanium-laminate domes. The result its clean, linear response across the entire audio spectrum.

A plug-in docking station offers full iPhone and iPod compatibility and instant access to music stored on your digital devices. For added versatility, the dock will also charge the connected device as you listen, thereby keeping its battery as strong as it was before you launched into your favorite playlist.

The MS 150’s slot-loaded CD player is fully compatible with CD-R and CD-RW formats, and will replay most popular digital file formats, including WMA and MP3 files.

With its polished black surfaces, futuristic oval shape and simple-to-use design, the MS 150 is the kind of audio system that serves both form and function, complementing virtually any interior design scheme.

With three auxiliary audio inputs, a front-panel stereo mini-jack, a front-panel headphone output for private listening and a rear-panel, dual-RCA line-level jacks, the MS 150 can work and play well with others. A digital-audio output and front-panel audio input can be used for video-game consoles or portable MP3 players.

An optical-digital audio, S/PDIF output connects directly to your digital players, for added sound fidelity.

The MS 150 includes an FM stereo tuner that lets you hear all of your favorite radio stations in crystal-clear format. As an additional benefit, the tuner’s built-in Radio Data System (RDS) technology automatically displays a text message that details both the name of the artist you are hearing and the song title.

The MS 150’s built-in alarm with memory backup stores your individual system preferences. A sleep timer lets you listen to the music of your choice while falling asleep.

A full-range output let you connect the MS 150 to a powered subwoofer for improved bass reproduction. (Alternatively, you can use the same output to connect the unit to an external amplifier or powered loudspeakers.)

To conserve energy and adhere to European guidelines, the MS 150 utilizes low standby power consumption of less than 1 watt. By meeting these green standards, the system maintains high sound quality, while at the same time saving power, money and protecting the environment.

Exemplifying the balance among high style, modern design and audio ingenuity, the MS 150 sound system fully embodies the spirit of Harman Kardon innovation, a legacy that discerning audio enthusiasts have revered for almost 60 years. Harman Kardon engineers have consistently advanced the science of sound, developing products that are dedicated to quality, durability and, most importantly, generating rave reviews from audiophiles.

Available Finishes
Power Output
30 watts per channel, 20Hz – 20kHz, THDless than 0.07% into 6 ohms, both channels driven
Power Consumption
less than 1W standby, 123W maximum(both channels driven)
System frequency response
65Hz – 20kHz, ±3dB
Channel Sepration
Image rejection
Disc compatibility
CD, CD-R, CD-RW, enhanced CD,MP3, WMA
Usable sensitivity
IHF 1.3?V/13.2dBf
Number of presets (FM)
Crosstalk between sources
±300kHz: 65dB
Sensitivity (2.83V/1m)
Channel Sepration (CD Section)
Line-level input sensitivity at 1kHz
1.0V RMS, ±1dB
Operating temperature
0°C to 35°C (32°F to 95°F)
Tuner output level
1kHz, ±50kHz, Dev 500mV
THD+N (20Hz – 20kHz)
less than 0.01%
IF rejection
Loudspeaker frequency response
80Hz – 20kHz (±3dB)
CD Signal-to-noise Ratio
>100dBr22kHz filter >100dBr
FM Signal-to-noise Ratio
Mono/stereo 70/65dB
Low-frequency Transducers
Two 125mm (4-15/16") felted-paperdrivers, ported
System Frequency response
65Hz – 20kHz, ±3dB
CD frequency response
0dBr ±0.5
System Signal-to-Noise Ratio (dB)
FM Tuner frequency range
87.5 – 108.0MHz
High-frequency Transducers
Two 19mm (3/4") titanium-laminate domes
Low-frequency transducers
Two 125mm (4-15/16") felted-paperdrivers, ported
High-frequency transducers
Two 19mm (3/4") titanium-laminate domes
Nominal impedance
6 ohms
Signal-to-Noise Ratio (“A” WTG)
Distortion Mono/stereo
Mono/stereo 0.15/0.3%
Signal-to-noise ratio (Mono/stereo)
Mono/stereo 70/65dB
Frequency response (CD Section)
0dBr ±0.5
Power Requirement
DC 24V, 4.9A; 5V, 1A; power supplyworks with AC 230V/50Hz
Frequency range (System)
87.5 – 108.0MHz
Frequency Response (Speakers)
80Hz – 20kHz (±3dB)

The latest owner's manuals, quick start guides, and documents.

1 Year Electronic & 5 Years Loudspeaker

Products purchased online or from an authorized local retailer and under warranty may qualify for an exchange with a valid receipt.

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MS 150 is rated 4.5 out of 5 by 4.
Rated 5 out of 5 by from IT great I lovemy ms150 its better than bose no going back !
Date published: 2015-06-23
Rated 5 out of 5 by from Great features. Great sound. I have had this unit for over a month and I have no complaints. This unit has terrific sound and som great features. I have been a Harman Kardon fan for years. I still have a amp and receiver of theirs from the 60's.
Date published: 2014-06-07
Rated 5 out of 5 by from Superior Sound True sound closest to multi channel stereo sound and very good ipod sound dock.
Date published: 2014-05-22
Rated 3 out of 5 by from Really wanted to like this This was to be a bedroom system. For whatever reason the digital audio input did not play sound from my TV properly. When I wrote to tech support I never received a reply. When I called tech support/customer service I was immediately given an RMA number even though I asked about getting it to work with the digital audio out of my TV. I assumed that to be a sign and sent it back immediately. Bummer. It looked great, sounded pretty good and the price was right - website discount made it $250 - but not playing the TV sound made it no better than the boom box it was to replace. Like I said, I really wanted to like it.
Date published: 2014-05-29
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