Sennheiser HD 505: an affordable open hi-fi helmet, new flagship of the HD 500 series
If his hi-fi helmets manage to stay within his catalog for several years as their formula is timeless, Sennheiser still puts a point of honor to regularly offer new models to his aficionados. At the start of 2025, it is the turn of the entry -level HD 500 series to welcome a new one.
The first “analytical” sound helmet in the HD 500 range
According to the German brand, this helmet called HD 505 would have been the subject of a meticulous design allowing it to place itself at the top of the HD 500 range. If we base ourselves on the nomenclature of Sennheiser to understand his name, 5 Depending on its price less than € 300, 0 of its analytical sound signature and 5 of its special publishing positioning.
The HD 505 would be the first entry -level Sennheiser headset designed to deliver a slightly colorful sound, with a penchant for ventilation and details in the treble, where references like the HD 599 And HD 560S Targue rather with a neutral or even warm restitution.
Careful acoustic design and large compatibility
In terms of construction, HD 505 benefits from open architecture such as the vast majority of Sennheiser audiophile helmets. The brand promises deep bass without heaviness, a neutral medium, as well as a treble both soft and particularly clear. For this, it makes it possible for large dynamic transducers capable of returning the signals on a extended bandwidth of 12 Hz to 38.5 kHz, with a distortion rate of less than 0.2 %. Its technical sheet also reveals a sensitivity of 107.9 dB (1 kHz / 1 VRMS) and an impedance of 120 ohms allowing it to deliver its full potential in combination with a low power source (smartphone, computer, etc.).
A weight more contained than the majority of Sennheiser helmets
The HD 505 inherits the design of the other helmets in the HD 500 series, with a large, similar arceau, pro -eminent reinforcements and velvet pads. For the benefit of comfort during long listening sessions, its weight was reduced to 237 g, against a weight oscillating between 250 g and 260 g for other helmets in the range.
The helmet is delivered with a removable cable of 1.8 m to ideally agree to domestic electronics such as an integrated amplifier, a helmet amplifier or a sound card. Of course, if desired, the user is free to replace it with cable equipped with a microphone (optional).
The Sennheiser HD 505 helmet is already available at a price of € 279.90 in copper and gold finishes. With regard to its construction and its pricing positioning, it could easily allow users to the tight scholarships to access the vertiable its hi-fi signed Sennheiser.
