In addition to the Sennheiser HD800 series as a cheat, the most popular models in the dynamic headphones are the Sennheiser HD650, especially the classic and popular features of a large number of fans. After a lapse of 14 years, the Sennheiser HD660S officially debuted, and the textbook-like digital headphone amplifier HDV820 was also launched at the same time. This powerful combination is destined to become the most shining product at the 2018 Shanghai Sennheiser audition.
The HD660S maintains its original open design, and the beam Sennheiser Logo is naughty on one side, and the metal mesh surface of the cavity is more family-inspired after the addition of the logo. Although Sennheiser has repeatedly emphasized that the HD660S is the successor to the HD650, the actual dynamic coil system has been fully upgraded, including a lightweight aluminum voice coil to reduce harmonic distortion, ensuring a more natural and soft sound performance.
The HDV820 continues the square shape of the HDVD800 that year, eliminating the design of the transparent cover, the German rigor is to play the best performance on the right materials. Therefore, the HDV820 also does not have the luxury configuration of various national bricks. Instead, it uses an ESS SABRE32 digital-to-analog converter to provide 32-bit quantization accuracy and a sampling frequency of up to 384 kHz, and has a playback capability of a 12.3 MHz DSD256 audio file format.
At the same time, the HDV820 provides an interface including XLR3, XLR4, 6.3mm and a 4mm Pentaconn, compatible with a variety of headphones. It is also compatible with fiber, coaxial, USB, XLR and RCA analog inputs for audio sources. Even dedicated power cords are available in several to suit different national standards.
The HD660S's wire includes a 6.3mm or even 3.5mm adapter, which reduces the impedance to 150 ohms. It also means that the headset is compatible with most playback devices. In fact, even the mobile phone itself can drive the HD660S very well, and the metaphysics of listening to music is just outside the door. The high-quality performance is enough to make all the discussion about portable headphones fall back.
In the simple audition of the scene, the high-definition performance of the HD660S+HDV820 combination is more than ideal between classical, vocal and popular. Of course, open-type headphones will provide enough sound field, and will also mix the background noise. The ideal environment for HD660S is still quiet indoors.
At the same time as the HD660S and HDV820, it also includes IE800S, Momentum Free, HD800S and other models. It is quite comfortable to spend the afternoon on the audition sofa with Avery and AURALiC. What's more, in the environment of various net red earphone blowouts, the combat strength of Sennheiser headphones is still quite amazing.
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