![Amazon.com: SP-SPSB-11 - Sound Professionals - Micro-Mini Microphone Power Supply with Adjustable bass roll Off and Mini 12vdc Battery-Made in USA. : Musical Instruments Amazon.com: SP-SPSB-11 - Sound Professionals - Micro-Mini Microphone Power Supply with Adjustable bass roll Off and Mini 12vdc Battery-Made in USA. : Musical Instruments](https://m.media-amazon.com/images/I/41qAs13dMOL._AC_UF894,1000_QL80_.jpg)
Amazon.com: SP-SPSB-11 - Sound Professionals - Micro-Mini Microphone Power Supply with Adjustable bass roll Off and Mini 12vdc Battery-Made in USA. : Musical Instruments
![Amir's measurements of the Hifiman Sundara shows a huge sub bass roll-off (-10 dB). Thoughts? : r/headphones Amir's measurements of the Hifiman Sundara shows a huge sub bass roll-off (-10 dB). Thoughts? : r/headphones](https://external-preview.redd.it/SHzL5vFK1db0suyGcpUpvgPGlJJcO1I1S6aA3xy8dyE.png?width=640&crop=smart&auto=webp&s=282b72eb612959419a45d22e718ceaf87a00c9c2)
Amir's measurements of the Hifiman Sundara shows a huge sub bass roll-off (-10 dB). Thoughts? : r/headphones
![Graph 2 Bass roll-off from various front vent sizes - Electronic Products & TechnologyElectronic Products & Technology Graph 2 Bass roll-off from various front vent sizes - Electronic Products & TechnologyElectronic Products & Technology](https://www.ept.ca/wp-content/uploads/2021/07/Graph-2-Bass-roll-off-from-various-front-vent-sizes.jpg)