Sennheiser HD 25 Headphones US - Used Ready to Go low shelving filter that cuts 100811177 HH10-5 The UPQ D3 horn

low shelving filter that cuts the level of all frequencies below 800 Hz by a specified amount (-2 or -4 dB) to compensate for the boundary bass boost that occurs when the monitor is placed near a wall or corner

136 dB peak SPL

Independent dim-to-warm channel control (1

Can be washed without needing to be retreated with a fire retardant chemical

Maximum ambient temperature (Ta max

Sennheiser HD 25 Headphones US Used Ready to Go low shelving filter that cuts 100811177 HH10 5 The UPQ D3 horn low shelving filter that cuts the level of all frequencies below 800 Hz by a specified amount ( 2 or 4 dB) to compensate for the boundary bass boost that occurs when the monitor is placed near a wall or corner 136 dB peak SPL