LOUDeQ Equalizer Full Range Mini Speaker Near Field monitor Flared port tube KIT

LOUDeQ-brKIT - Variable "LOUDNESS" Passive Equalizer and Flared Port Kit PRODUCT INFO The LOUDeQ is a unique passive filter network designed to function as a variable "loudness" circuit.  LOUDeQ will help flatten response of compact full-range speakers systems and provide gradual excursion limiting at higher input levels.    - perfect for compact full range DIY and Bluetooth speakers using a 3"- 4" driver  - Works at 4 - 8ohms  - integrated spring loaded terminal plate  -1" diameter flared port, 4" long, EZ press-fit in 1-3/8" opening - overall diameter 1-5/8"  - See the response chart.  The red curve is the response with low level input and provides a low Q notch equalization centered at 2Khz of approx 3dB.  This is great to adjust for the limitations of human hearing at low levels and will provide a warmer tone and add a bit more air to the top end  - As displayed by the blue curve, the low frequency will gradually be reduced by a maximum of 2.5dB as input power increases to around 4