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Sennheiser is a widely recognized audio brand known for producing high-quality headphones, microphones, wireless systems, and other audio products.

Sennheiser

The Sennheiser HD 545 Reference headphones are open-back, over-ear dynamic headphones that were available from 1994 to 2000, targeting the higher quality tier and sold around $180. Weighing approximately 280 grams, they feature a matte grey plastic headband with substantial adjustment range of up to 70mm. The clamping force is relatively low, around 1-1.5N, contributing to their comfort, although users with narrower heads may find them a bit loose. The headphones utilize replaceable velour pads that are similar to those found on the current HD6** series models, helping ensure prolonged comfort. With a 3-meter long cable terminated in a gold-plated 3.5mm jack, the HD 545 also includes a 6.3mm gold-plated adapter. The driver specifications include a 40mm driver size, an impedance of 160Ω, and a sensitivity of 108dB/V, allowing for decent loudness when connected to a phone. Sound characteristics indicate a neutral tonal balance, with a subtle roll-off in low bass. The soundstage is moderate, and while the imaging is stable, it may not be expansive. Users have noted that EQ adjustments can enhance the listening experience, particularly in the bass region, allowing for a more engaging sound profile. Due to being a product from the late '90s, many units may experience intermittent contact issues at the connectors, which is a common issue with models using similar connection designs. Overall, while sometimes seen as overshadowed by newer models, the HD 545 remains a solid choice for those seeking a comfortable and reasonably capable headphone.

HD 545

by Sennheiser

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