The Pioneer SE-650 is a model of closed-back dynamic headphones designed for a balanced and detailed sound reproduction. This model features a lightweight design, making it comfortable for extended listening sessions. The headphones are equipped with a 40mm driver, which contributes to their punchy bass response and clear midrange and treble frequencies. The frequency response of these headphones typically ranges from 10 Hz to 25 kHz, allowing for a wide range of audio to be delivered accurately. The impedance of the SE-650 is usually around 32 ohms, making them compatible with a variety of devices including portable audio players and smartphones. The build quality includes soft padding on the ear cups, ensuring user comfort, and an adjustable headband for a secure fit. The SE-650 is a great option for those seeking an immersive audio experience in a stylish and functional package.