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Kick start your party with JBL signature sound and a dazzling LED light show all in 360 degrees. The Pulse 4 features a bold, IPX7 waterproof design that shines bright and keeps the tunes flowing for up to 12 hours on a single charge. Tap the JBL Connect App to change the sound-responsive colours and patterns and connect with other JBL PartyBoost compatible speakers to make your party epic.


Pulse 4 delivers JBL signature sound in every direction with its ingenious 360-degree speaker array.

Ready to get your groove on? Pulse 4 delivers up to 12 hours of party time on a single charge.

Bring your speakers anywhere. Pool party? Perfect. Sudden cloudburst? Covered. Bash on the beach? Pulse 4 is IPX7 waterproof up to three-feet deep for fearless outdoor entertainment.

Download the JBL Connect App to rule your party with ease. And visualize your music with a variety of light show themes or even customize your very own. Ready to tune out? Turn your speaker into an ambient light show whether your music is on or off.

PartyBoost allows you to pair two JBL PartyBoost-compatible speakers together for stereo sound or link multiple JBL PartyBoost-compatible speakers to truly pump up your party.

It couldn’t be easier to connect your LED light show with other nearby Pulse 4’s. Simply hold your speaker nearby and shake it to sync up.

What’s in the box:

  • 1 x JBL Pulse 4
  • 1 x JBL branded Type C cable
  • 1 x Quick start guide
  • 1 x Safety sheet
  • 1 x Warranty card


  • Bluetooth version: 4.2
  • Support: A2DP V1.3, AVRCP V1.6
  • Transducer: 2.25 inch
  • Rated power: 20W RMS
  • Frequency response: 70Hz – 20kHz
  • Signal-to-noise ratio: >80dB
  • Battery type: Lithium-ion polymer 26 Wh (3.6V, 7260mAh)
  • Battery charge time: 3.5 hours (5V/3A)
  • Music playtime: up to 12 hours (varies by brightness & volume level and audio content)
  • Bluetooth transmitter power: ≤10dBm
  • Bluetooth transmitter frequency range: 2.402 – 2.480GHz 
  • Bluetooth transmitter modulation: GFSK, π/4-DQPSK, 8DPSK
  • 2.4GHz SDR frequency range: 2.407 – 2.475GHz
  • Dimensions (W x D x H): 96 x 96 x 207mm
  • Weight: 1260g

Shipping & Return

We deliver within Singapore only and all orders are shipped within 3-5 working days. If you have placed the order over the weekend, the package may not ship until the following Tuesday of the coming week.

How do I cancel my online order?

Please WhatsApp us or email us at enquiry@imssg.com so we can assist you with cancelling your order before the product is shipped out.

I accidentally put in the wrong shipping address! How can I change that?

Please WhatsApp us or email us at enquiry@imssg.com and have your order confirmation number ready. If the order hasn’t shipped already, we will happily change the address for you.

How do I return or exchange my order?

Please send the item back to us to the address provided on the packing slip or return form, and circle the item that you are returning/exchanging. Let us know if you would prefer a refund or exchange. Upon inspection of the item, we will follow your instructions for either a return or exchange. Please allow 3-10 business days to process the order. Please note that you will be responsible for all shipping costs. 

Can I return my speaker to you if I bought them from a retail store?

If you purchased your product through a certified dealer, please follow their listed return policy for any exchanges or returns.


We offer a 1-year Limited Warranty for Manufacturer’s Defects. See details here. If you believe you have received a defective product upon arrival, please contact us immediately at (65) 8857 0421 or email enquiry@imssg.com for further instructions.

Frequently Asked Questions About JBL Pulse 4

The JBL Pulse 4 features several upgrades that sets it apart from its predecessor, the Pulse 3. While the Pulse 3 connects with Connect+-enabled devices, the Pulse 4 upgrades to PartyBoost for seamless pairing by simply shaking the device. Additionally, the Pulse 4 boasts a quicker charging time via USB-C, achieving a full charge in just 3.5 hours compared to the Pulse 3's 4.5 hours with a micro USB-B connection.

Absolutely! The JBL Pulse 4 is a portable waterproof speaker with an IPX7 certification. This ensures that your device can be submerged in water up to three feet deep for 30 minutes without any damage. This makes it perfect for outdoor parties where you may encounter splashes, ensuring uninterrupted music enjoyment, come rain or shine.

The JBL Pulse 4 delivers up to 12 hours of continuous playtime on a single charge. It also charges quickly, taking only 3.5 hours to fully charge. This combination of long battery life and rapid recharge ensures uninterrupted listening, making it ideal for day-long events or overnight parties.

Yes, the JBL Pulse 4 supports stereo pairing using the PartyBoost feature. Connect your music speaker with other JBL PartyBoost compatible Bluetooth speakers like the Flip 5, Xtreme 3, or Boombox 2 to amplify your audio experience.

No, the JBL Pulse 4 is not compatible with voice assistants like Siri and Google Assistant as it does not feature a built-in microphone.

To customise the light show on the JBL Pulse 4, simply press the light button on the top panel to cycle through different presets. Alternatively, you may also use the JBL Connect app on your device to customise your speaker’s lighting effects and create a more immersive audiovisual experience.