Sennheiser HD 449 vs Sennheiser HD-451 – Specs, Price & Comparison (2026)

ALERT

Sennheiser HD 449
Rs.5,500.00

Sennheiser HD-451
Rs.5,100.00

Brand	Sennheiser	Sennheiser
Model No	HD 449	HD-451
Wired / Wireless	Wired Headphone Specification	Wired Headphone Specification
Headphone Type	Over Ear	Over Ear

Magnet Type	Neodymium	Neodymium
Driver Diameter	40 mm	NA
Impedance	32 Ohms	32 Ohms
Sensitivity	114 dB/mW	108 dB/mW
Frequency Response	16 Hz - 24,000 Hz	20 Hz-20,000 Hz
Maximum Power Input	NA	100 mW
Noise Cancelling	NA	Yes

Available Colors	Black	Black, Blue, Grey
Connector Plating	3.5 mm Gold Plated Plug	3.5 mm Gold Plated Plug
Cable	1.4 mm	1.2 m
Weight	Approx 130 g	380 g
Other Features	- 1.4 m single-sided OFC cable with 1.6 m extension cable - Advanced acoustic system with powerful neodymium magnets and lightweight diaphragms for a lifelike stereo sound experience - Closed circumaural headphone design isolate against ambient noise - Ergonomic design provides a comfortable fit - Gold plated plugs and 6.3mm stereo adaptor for excellent connectivity, with home Hifi equipment - Carrying pouch and extension cable for protection and added length - 2-year warranty	- Vibrant stereo sound with powerful bass response - Closed around-ear design, delivers stereo sound with powerful punchy bass - 2-year warranty - Eye catchy design
	Compare Sennheiser HD 449 with: Beyerdynamic DTX 350M Koss SB49 Sennheiser HD 280 Pro Sony MDR-ZX750AP-R Sennheiser HD 439	Compare Sennheiser HD-451 with: Sennheiser HD 239 Sony MDR-ZX750AP-R Denon AH-D340 Sennheiser HD 439 JBL J88

Key Differences

Sennheiser HD-451 and Sennheiser HD 449 offer different noise cancellation capabilities (Yes vs NA), which can impact how effectively they block external noise. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. There is a noticeable difference in weight (380 g vs Approx 130 g), which may affect comfort during extended use. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The driver size differs between the two (NA vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. From a usability standpoint, both models provide a reliable and premium headphone experience. Sennheiser HD-451 and Sennheiser HD 449 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. The frequency response differs (20 Hz-20,000 Hz vs 16 Hz - 24,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.

Top Differences

Noise Cancelling: Yes vs NA
Driver Size: NA vs 40 mm
Weight: 380 g vs Approx 130 g

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