Sennheiser HD 820 Closed-Back Over-Ear Headphones – Ring Radiator Drivers, Glass Transducer Covers
Sennheiser HD 820 Closed-Back Over-Ear Headphones – Ring Radiator Drivers, Glass Transducer Covers
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Enjoy dedicated headphone listening with the privacy of a closed-back design. The Sennheiser HD 820 combines Ring Radiator transducers with distinctive concave glass covers, engineered to manage internal reflections and support a spacious presentation.
Key Features
- Ring Radiator transducers – a dynamic design with a very wide frequency response, from 12Hz to 43.8kHz (-3dB).
- Concave glass transducer covers – redirect sound from the rear of the driver into an absorber, reducing resonances in the sealed cup.
- Closed-back circumaural design – isolates you from your surroundings while keeping the sound open and transparent.
- Balanced cable – a 3 m impedance-matched, low-capacitance cable with silver-clad OFC conductors and a gold-plated 4.4 mm plug.
- Handcrafted ear pads – combined with a damped metal headband for comfort and stability.
Good to Know
With a 300-ohm impedance, the HD 820 benefits from a capable dedicated headphone amplifier, ideally with a balanced output. It is manufactured in Germany.
Technical Specifications
- Type: Dynamic, closed-back, circumaural
- Transducer: Ring Radiator with glass covers
- Impedance: 300 ohms
- Frequency response: 12Hz–43.8kHz (-3dB); 6Hz–48kHz (-10dB)
- Sound pressure level: 103dB (1kHz, 1V)
- Connectors: 6.35 mm; 4.4 mm balanced
- Cable: 3 m, silver-clad OFC, balanced
- Weight: 360 g (without cable)
Shipping & Returns
Free UK Delivery – We ship exclusively within the United Kingdom. Orders are processed within 1 business day, with estimated delivery in 5–8 business days after dispatch.
30-Day Returns – Returns are accepted within 30 days of delivery, subject to our Return & Refund Policy.
Customer Support – Monday–Friday, 9 AM–5 PM (UK local time). Business days exclude weekends and UK bank holidays.
INSTALLATION NOTE
INSTALLATION NOTE
Our lighting products are designed for easy and reliable installation. Depending on the model, your item will either be hardwired directly into your mains electricity or simply plug into a standard wall socket.
If your product is hardwired (please refer to “Power Supply” above), we recommend installation by a qualified electrician to ensure safety and optimal performance.
For plug-in models, no special installation is required—just connect to a standard outlet and enjoy.
Detailed installation instructions are included in the manual provided with your product.
QUALITY GUARANTEE
QUALITY GUARANTEE
At Litepro, quality is at the core of everything we do.
Each piece is carefully selected and undergoes strict quality control to ensure it meets our high standards and your expectations.
SHIPPING & DELIVERY
SHIPPING & DELIVERY
We deliver across the United Kingdom using trusted partners.
Orders are processed within 1–2 business days (Mon–Fri).
Delivery typically takes 4–6 business days, for a total delivery time of 5–8 business days.
Free shipping is available across the UK.
Once dispatched, you’ll receive a tracking number. Please allow 1–2 business days for tracking updates.
RETURNS
RETURNS
Changed your mind? Not completely satisfied? No problem.
You can return your item within 30 days of receiving your order.
Our returns process is simple, fast, and hassle-free.
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