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Ultraportable Bluetooth® speaker with that notoriously bigger sound that’s extra-crispy and fully loaded with big bass. Blast it indoors and out. Now with Podcast Mode, specially tuned for crisp, clear vocals.
Surprisingly Bigger 360-Degree Sound:
The WONDERBOOM 4 portable waterproof Bluetooth speaker features bigger 360-degree sound in a petite package; boosted sound for up to 14 hours of playtime
Outdoor Boost and Podcast Mode:
Engineered for full stereo sound; tap the Outdoor Boost button for outdoor environments; use the new Podcast Mode to make vocals sound rich and clear
14 Hours of Boom:
With a battery that lasts throughout the day, this waterproof portable speaker booms on with up to 14 hours of playtime, so you can soak up every moment
Waterproof, Dustproof, and Floatable:
IP67-rated this Bluetooth waterproof speaker can be submerged in 1m of water for up to 30 min; protected from dust; ideal for the pool, beach, or shower
Double Up for Stereo:
Pair up two WONDERBOOM 4 portable Bluetooth speakers for even bigger sound; press once to double up; press again for true stereo from both speakers, with left and right channels
Durable Wireless Speaker With Range:
Up to 40 metres of range so you’re free to roam; plus it’s dirt-resistant and drop-proof1 Refer to legal disclaimers with a handy loop so you can take it with you
Legal disclaimer
- Drop-tested from 1.5m
- 360 sound
- Maximum sound level: 86 dBC (normal) and 87dBC (outdoor)
- Drivers: two 40 mm active drivers and two 46.1 mm x 65.2 mm passive radiators
- Rechargeable lithium-ion battery for up to 14 hours of battery life between USB-C charges. Actual battery life will vary with use, settings and environmental conditions.
- Charge time: 2.6h (with BC1.2 Compliant Adapter)
- Water and Dustproof IP67 : can be immersed in water up to 1m for up to 30 min
- Up to 40 metre (131 ft) range
- Connect up to two source devices at the same time.
- Wirelessly play (stream) to 2 WONDERBOOM 4 from one source
- Height (104 mm), diameter (95.3 mm), weight (420 g) (speaker only)
- Pair 2 WONDERBOOM 4 speakers to party louder or for true wireless stereo sound
- System Requirements: For audio playback: smartphones, tablets and other devices that support Bluetooth® [Advanced Audio Distribution Profile (A2DP)]
- Dimensions: 104 mm (H), 95.3 mm (DIA), Weight 420g (speaker only)
- ULTIMATE EARS WONDERBOOM 4
- Bungee (attached to product)
- USB Cable
- Quick Start Guide (printed inside the box)
- Must be 18+ with an active service.
- Points are earned on payment for services or pre-paid recharge (excluding outright purchases, refunds, credits & late payment fees).
- Points expire 3 years from earning.
- Marketing opt-in required (preferences can be changed).
- Excludes Telstra Enterprise and Corporate accounts.
- Read the Telstra Plus terms and conditions
Earning points
- Points are earned on payment for services or pre-paid recharges (excluding outright purchases, refunds, credits & late payment fees).
- Points earned on payments will be available in your account between two and four business days from when Telstra receives your payment.
Using points
- Points can only be used towards payment for one eligible item in your cart.
- Points will be deducted from your account when you place your order.
- If using points for a repayment option, the total points applied to the item will be deducted on a one-off, upfront basis and the reduced dollar amount will apply towards the monthly payments.
- If you cancel your order, any points applied will be refunded to your account within 2 business days.
- Read the Telstra Plus terms and conditions
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