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Step up to great wireless sound with the new HD 450BT.
With active noise cancellation, high-quality wireless codec support, and Bluetooth 5.0 they deliver superior sound with deep dynamic bass. Advanced features include Virtual Assistant interaction, customization via the Sennheiser
Smart Control App, a special podcast mode, and a 30-hour battery life, to deliver exceptional versatility for audio lovers.
- Active noise cancellation for uninterrupted listening pleasure – Superior wireless sound with deep dynamic bass and high-quality codec support including AAC and AptX™ Low Latency
- 30-hour battery life – Crafted from high-quality materials for outstanding durability with
a minimalist design available in a choice of white or black - Intuitive controls including Virtual Assistant button for Siri and
Google Assistant - USB-C fast charging and advanced wireless Bluetooth 5.0
technology for effortlessly reliable connectivity.
Ear coupling
- Around Ear
Weight
- Approx. 238 g (8.39 oz)
Frequency response
- 18 Hz to 22,000 Hz (-10 dB)
Sound pressure level (SPL)
- 108 dB (1 kHz/0 dBFS) THD (1 kHz, 100 dB) < 0.3 %
Microphone principle
- MEMS
- Microphone frequency response
- 80 Hz to 8,000 Hz
- Microphone pick-up pattern(speech audio)
- Dual Beamforming
Power supply
- Built-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 600mAh;
- USB charging: 5 V ⎓, 500 mA max.
Operating time
- 30 hours music playback via Bluetooth with ANC activated
Charging time of rechargeable batteries
- Approx. 2 hr
- 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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