Sennheiser HD 505 Open-Back Over-Ear Headphones｜12Hz–38.5kHz・120Ω・For Music and Gaming
Product Overview
This product is a parallel import (grey import) version and does not come in Hong Kong authorized distributor packaging; the one-year warranty is provided by our store.
Six Key Selling Points
Three Practical Usage Scenarios
Scenario 1Daily music listening, PC gaming, watching movies and TV series, music beginners
Package Contents
Original standard retail box; actual packaging and accessories are subject to the physical product (the instruction manual language in parallel import packaging may be English, which does not affect product functionality). If you have any questions, please contact our store before placing your order.
Why choose this model?
- Open-back dynamic drivers: — The open-back design creates a spacious and natural soundstage.
- 12Hz–38.5kHz: — Wide frequency response with excellent extension at both ends.
- Lightweight at 237g: — Lightweight design for comfortable long-term wear.
Comparison of Models in the Same Series
| Model | Type | Connection | Positioning |
|---|---|---|---|
| HD 505 | Open-back | Wired | Entry-level audiophile |
| HD 550 | Open-back | Wired | Audiophile-grade |
| HD 560S | Open-back | Wired | Neutral monitoring |
| HD 599 | Open-back | Wired | Home audiophile |
| HD 800S | Open-back | Wired | Flagship |
Learn more about models in the same series:
Comparison is limited to models available in-store; prices are subject to the prices displayed on the page at the time of ordering.
Official Full Specifications
| Headphone Type | Open-back, over-ear (Around-Ear, Circumaural) |
| Driver Type | Dynamic, open-back |
| Frequency Response | 12 Hz – 38,500 Hz |
| Impedance | 120 Ω |
| Sensitivity (SPL) | 107.9 dB（1 kHz / 1 Vrms） |
| Total Harmonic Distortion (THD) | < 0.2 %（1 kHz / 90 dB SPL） |
| Cable Length | 1.8 m (detachable, left side) |
| Connector | 3.5 mm plug + 6.35 mm screw-on adapter |
| Weight (without cable) | Approx. 237 g |
| Ear Pad Material | Synthetic velour |
| Product Number (SKU) | 700453 |
| Package Contents | HD 505（Copper）open-back headphones, 1.8m cable (3.5mm plug), 3.5mm to 6.35mm screw-on adapter, drawstring storage pouch |
Frequently Asked Questions
Q: Is the HD 505 suitable for gaming?
A: Yes. The HD 500 BAM microphone boom can be purchased separately to turn it into a gaming headset.
Q: Does it require a headphone amplifier?
A: With a 120Ω impedance, it can generally be driven by a smartphone or computer; pairing it with a DAC/headphone amplifier delivers even better performance.
Q: Is it open-back?
A: Yes. The open-back design provides a wide soundstage, but allows a small amount of sound leakage.
Q: Can the cable be replaced?
A: Yes, it uses a detachable cable.
Q: What is the difference between it and the HD 550?
A: Both are open-back models in the 500 series; the HD 550 is newer and extends further into the low frequencies down to 6Hz, while the HD 505 has an impedance of 120Ω.
Q: Can the ear pads be replaced?
A: Yes, the manufacturer provides replacement ear pads for the HD 5XX series.
Product Images
Warranty
1-year warranty
1-year warranty. The warranty period is subject to the statutory requirements of the local country. (The warranty period is based on the legal requirements of the local country.)
