Karaoke Nights
Karaoke Parties
Karaoke Online

CAVS JB-199 IV Online is a new professional karaoke player with a built-in web server. It is the latest of CAVS JB-199 series and thanks to the server, it has the following advantages.

Customers can connect to the JB-199 mini II using any phones and tablets. For example, customers with an iPhones or iPads can connect using the Safari browser. Customers with Android phones or tablets can connect using the Google Chrome. The connection is universal and can be made with a simple scan of QR code.

When connected, the customers can search, reserve, and play the songs using their phones and tablets. Given the thousands or tens of thousands of digitally stored songs, this is almost necessary unless you don’t mind printing stacks of paper song books.

Another advantage to using the phone and tablet is that the song search can be done by Voice Command. Simply speak the title or artist’s name and the matching songs will instantly appear. This Voice Command feature supports multiple languages including English, Spanish, French, Chinese, Japanese, etc.

Having a web server, the JB-199 IV Online can simultaneously play and stream the audio video outputs. That is, it will play to the TV and speakers in traditional ways and at the same time stream the audio and video to the customers’ phones and tablets. The phones and tablets will then play the music and lyrics from their speakers and displays, working like satellite karaoke players you can carry to everywhere, i.e., upstairs, outdoors, pool decks, etc.

The JB-199 IV Online also includes over 40,000 karaoke song subscriptions from service providers, such as Party Tyme and Karaoke Cloud. These songs are commercially licensed for use in bars and restaurants, and updated daily and automatically making sure you have the newest and latest songs. The songs will play seamlessly together with your own collections.

The JB-199 IV Online can record the customer’s singings throughout a karaoke show. It will then automatically parse the recordings and upload for your customers to download into their phones and tablets. Imagine the customers’ delight when they can save and enjoy the singing immediately after their performances.

JB-199 IV Online $2299 - $3299









JB-199 IV X

Intel i7

32G DDR4



8 TB

4 x USB 3.0
Dual Gig-LAN
Remote control

JB-199 IV R

Intel i3
10th Gen

16G DDR4


4 TB

4 x USB 3.0
Dual Gig-LAN
Remote control


The JB-199 IV Online comes with comprehensive professional features following the tradition of JB-199 player series. It has the basic functions such as Pitch control, Tempo control, Sync control, Pre amp, Silence gap remover, etc. It has also the advanced tools such as History, Announcement, Digital Mixer, International Interface, Advertisement, Bill acceptor, etc. It runs on Windows 10 64-bit OS, 10th Gen i3 CPU or higher, and 16G RAM or more in 2U rack-mountable 18″ x 12″ x 3″ chassis.

The JB-199 IV Online supports unlimited number of karaoke songs in CD+G, MP3+G, ZIP, AVI, MP4, and Super CD+G formats. It organizes the songs using a Playlist concept so that each song can be searched or played instantly and yet stored securely from accidental removal or overwrite. It also offers data encryption for added security and time lock for subscription management which can both be controlled remotely.


E-Songbook is a device such as a phone or a tablet that connects to a karaoke player to select, reserve, and play the songs. Until now however, the E-Songbook required an app to connect to a karaoke player. And since the app was hardware specific, a different karaoke player or a different phone or tablet required a different app. This complexity discouraged customers from using their phones and tablets and led to the karaoke hosts providing E-Songbooks that are pre-installed with apps on the tables.

The E-Songbooks were also prone to connection failure, delays, and incompatibility. The connection failure came from non-standard app designs. The delays came from increasing contents. The incompatibility came from exploding varieties of new phones and tablets in the market.

The built-in web server of the JB-199 IV Online solves the problems above. The devices can now connect to the player using standardized web browsers such as Apple Safari, Google Chrome, or MS Edge. Apps are no longer required. The connection is built upon the worldwide TCP/IP standard protocol, is fast and efficient, and supports all models of phones and tablets.

The Customer Interface that appears when a phone or tablet connects to the JB-199 IV Online is as follows.

Customer Interface

It has the controls to search, reserve, play the songs, and to change the pitch, tempo, and voice cancel. These controls are selectable in the option settings.

With the ease of connecting, there comes also the savings. The hosts no longer need to prepare the E-Songbooks customized with apps. The customers can now use their phones or tablets with ease. The savings will continue as the hosts also do not need to replace the E-Songbooks that are dropped or drowned.

Through the option setting, JB-199 IV Online also provides multiple control levels for the customers and hosts to connect to the player.

  • The lowest level allows users to browse the song list but without the ability to reserve or play the songs.
  • The highest level grants full control, typically ssigned to the hosts.

These different levels can connect to the player simultanesouly, enabling the customers and hosts to login at their respective control levels.


A karaoke player typically plays the audio and video through the HDMI, VGA, or RCA outputs of the player. The video is sent to a stage TV and the audio is routed to the stage speakers.

JB-199 IV Online, with a built-in web server, can stream the audio and video outputs simultaneously as it plays. This means it can stream the music and lyrics to the phones and tablets connected in the network server. These devices will then play the music and lyrics using their own speakers and displays effectively becoming mini satellite karaoke players.

With streaming, the customers have the advantage of not being tied to the stage TV or the speakers. They can move around, carrying the lyrics and music with them, and enjoy karaoke anywhere – whether it’s out on a balcony, by the pool, on deck, etc.

Online Karaoke

JB-199 IV Online also allows customer to connect through the public Internet rather than just a local network. This feature enables the customers from distant locations, such as family and friends across different states, to join together online.

JB-199 IV Online can accommodate 20, 30, or 50 customers connecting simultaneously. Each participant will have the Customer Interface with controls for the music and lyrics. By combining this with a face-to-face meeting through a video service like Zoom or Skype, everyone can enjoy karaoke online, replicating the experience of a local karaoke lounge.

Together online, the customers can sing solos, duets, or all together. The music and lyrics will stream directly from the JB-199 IV Online. For a free demo, contact service@cavsusa.com. You can join an online karaoke lounge as a guest or host.

Subscription Services

The JB-199 IV Online offers subscription services for over 40,000 karaoke songs. These songs are commercially licensed for use in bars and restaurants and are updated daily and automatically, ensuring you always have access to the latest and hotest songs.

The subscriptions are available for various durations:

  • Daily
  • Monthly
  • Yearly

An Internet connection is required while using the subscription services. The songs will play seamlessly together with your own collections.

Record Your Singing

JB-199 IV Online can record customer’s singing, either individually or continously. When recorded continuously, the player will automatically parse the final recording into individual segments. These recordings will then become available for download in the Customer Interface.

The download link for the recording will be available immediately after the customer’s singing. The customer can use a phone or tablet to download the recording in the MP4 format from the Customer Interface.

This recording feature may require enhanced hardware resources, especially when running subscription or streaming services simultaneouly. For more details, please refer to the Hardware Requirement section.


JB-199 IV Online is designed using Unicode system to encompass all international song libraries. It is not only able to play the international songs but also display and search the song lists in any language, including English Spanish, French, Italian, German, Chinese, Japanese, Arabic, Hindi, etc. It also provides for each language the convenient tools such as:

  • Voice command
  • Hand writing
  • Customized on-screen keyboard

These tools ensure an enjoyable experience for users of diverse cultural backgrounds.


JB-199 IV Online offers fully integrated mixer control when connected together with:

The mixer control will appear in the Customer Interface as shown below.

Customer Interface with DK3 Mixer

Touch the mixer button to access control sliders for Music volume, Microphone volume, Echo, Reverb, and more. You can customize which control sliders are shown in the mixer setting.

Integrated Mixer Control

The mixer control appears inside the Customer Interface of the JB-199 IV Online, which is accessible on your phone or tablet. This allows you to carry both the karaoke and mixer controls on your device, enabling you can move freely while controlling all aspects of the karaoke session. You no longer have to run to the stage to adjust the mixer volumes each time a new song or singer starts.

JB-199 IV Online + E-Songbook 110
Bundle Discounts

JB-199 IV Online +
1 x E-Songbook 110

$ 2299
  • Amazon Fire HD 10
  • 10.1" HD, 1920 x 1200
  • Mediatek 8 Cores
  • 32 GB, 802.11 ac

JB-199 IV Online +
2 x E-Songbook 110

$ 2388
  • Amazon Fire HD 10
  • 10.1" HD, 1920 x 1200
  • Mediatek 8 Cores
  • 32 GB, 802.11 ac

JB-199 IV Online +
3 x E-Songbook 110

$ 2477
  • Amazon Fire HD 10
  • 10.1" HD, 1920 x 1200
  • Mediatek 8 Cores
  • 32 GB, 802.11 ac

JB-199 IV Online +
4 x E-Songbook 110

$ 2566
  • Amazon Fire HD 10
  • 10.1" HD, 1920 x 1200
  • Mediatek 8 Cores
  • 32 GB, 802.11 ac

JB-199 IV Online +
5 x E-Songbook 110

$ 2655
  • Amazon Fire HD 10
  • 10.1" HD, 1920 x 1200
  • Mediatek 8 Cores
  • 32 GB, 802.11 ac

CAVS Digital Mixer DK3

$ 499
  • Digital Karaoke Mixer
  • Integrated Control

E-Songbook 110

$ 189
  • 8-Core, 12-Hour Battery
  • 3 GB RAM, 32 GB HDD

Archeer Dual Wireless Microphone & Bluetooth Karaoke Mixer

$ 82
  • Dual Wireless Microphones
  • Bluetooth Karaoke Mixer

Behringer External Sound Card UCA-222

$ 29
  • External Sound Card
  • USB to RCA Connector

HDMI to RCA Converter

$ 29
  • HDMI to RCA (YRW)
  • RCA (YRW) to HDMI