JBSystems PM4.2

Available to Order
Dispatched within 2-4 weeks

FREE DELIVERY on orders over 40€ (only in Lithuania)

  • Perfect all-in-one solution for install applications like: schools, pubs, shops, hotels, restaurants, …
  • The internal USB-media player supports MP3, WMA and WAV files.
  • RDS FM-radio with 9 station presets
  • IR Remote: controls media player, Radio presets, volume/mute.
  • Playback of up to 3 different commercials (manual & scheduled playback) with automatic interruption of media player / tuner playback.
  • Audio mixer mixes up to 4 sources:
  •     Internal media player / FM-radio + 2 external line inputs (one with 3,5mm jack for iPod, … )
  •     MIC input with high/low EQ and Talkover (adjustable damping/threshold)
  •     PFL monitoring with headphones output on front panel
  •     Record output via RCA/cinch
  • 2 balanced zone outputs with separate volume and max. level trimmer to control different zones.
  • Zone 2: has an additional mono switch and 100Hz high pass filter for use with small speakers.
  • Emergency message input (Euroblock connector) with automatic audio mute.
  • Euroblock input: muting of the masters. (closed contact = mute)
  • Designed in Europe

Technical Information:

  • Power Supply:  AC 230V / 50Hz
  • Fuse: 20mm glass fuse 250V 500mA slow
  • Dimensions:  483(W) x 44(H) x 162(D) mm  (19" / 1U)
  • Weight: 2,5kg


  • Frequency response: 20-20.000Hz (+/-1dBu)
  • THD + noise:
  • S/N Ratio (IHF-A): >82dB @ 1kHz.
  • Micro inputs: 1.5mV @ 10kΩ
  • Line/CD inputs: 150mV @ 22kΩ
  • Record output: 775mV @ 600Ω
  • Master outputs: 1.5V @ 4k7Ω unbal.
  • Master outputs: 850mV @ 600Ω bal.

RADIO FM freq band: 87.20 ~ 108.00 MHz (0.05 MHz tuning steps)



  • Possible MP3 file extensions: .mp3 ~ .MP3 ~ .mP3 ~ .Mp3
  • Possible WMA file extensions: .WMA ~ .wma
  • Possible WAV file extensions: .WAV ~ .wav
  • USB file system:  FAT 32
  • Max. USB-memory capacity: 16GB


MP3 FORMATS PLAYBACK:                   
MPEG1 Layer3 (ISO/IEC11172-3):  mono / stereo sampled at: 32 - 44,1 - 48kHz

  •     Bitrates:  32 – 320 Kbps
  •     Bitrate modes:  CBR (Constant Bitrate), VBR (Variable Bitrate)

IR-Remote replacement battery: CR2025 3V battery (included)

FM Radio
Dispatched within 2-4 weeks

We accept these payment methods

Internet bank link Choose one of available bank link options. List may change from time to time, so to be sure your favorite bank is in the list, just choose any product, go to checkout, choose pay via Banklink and all the list will be provided to you.

Pay by Card You can pay bay card. Popular cards are listed bellow.

Paypal The most popular payment method in the world.
Pay by bank transfer The simpliest and cost friendly payment method is traditional bank transfer. Choose to pay one of our bank accounts with bank details provided below. If you don't mind, choose pay to Paysera account. Our support team can see the transfer by getting emails from Paysera bank, so we can assure your items will be packed faster.

Bank Details:

  • Company name: Scenos servisas, UAB
  • Company code: 300 646 910
  • Paysera bank account: LT34 3500 0100 0232 6548
  • SEB bank account: LT71 7044 0600 0585 1897

Please provide Order reference number when making payment. This way we will indicate your order faster.

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The inscriptions or colors on the product may differ slightly and the information in the description is written in general, so not all product features may be mentioned. If you have any questions, we are always looking forward to your phone call +370 645 08700 or email at pagalba@muzi.lt

Delivery information

** All information about delivery and payment options can be found here - Delivery & Payment options.

*** Caution! Note that carrier is delivering goods to the doors if the parcel weight is not higher than 30 kg. All parcels higher than 30 kg must be handled by client.

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