HFXR 2/3-Way Active Crossover With Included Remote Bass Control - Key Features:
Select 2-Ch or 4-Ch* Inputs With Input Switch
Direct Sub-In for Receiver's with Sub-outs
0 - 12dB Bass Boost At Bass Remote
Maxximum Pre-Amp 0utput: 8.5-Volts RMS
45Hz Bass Boost With Quasi-Parametric EQ
Selectable for Mono Or Stereo Woofers
180-Degree Phase-Shift Switch
2nd Order Butterworth Front & Rear Ch Hi-Pass
Level Adjustments for Front, Rear & Sub Ch's
2-Ch Full-Range RCA Preamp Cascade Output
...Hifonics HFXR
The Hifonics HFXR is a 2-Ch or 4-Ch 2-Way or 3-Way 12/18dB asymmetrical active crossover. Use this electronic crossover, whenever there are multiple amplifiers in a car audio system. Unlike amps built-in active crossover circuits, the HFXR offers independent selection of front-channel versus rear-channel cross-over frequencies. The HFXR is cascade-able, meaning one HFXR can feed another HFXR crossover with its 8.5-Volt line driver circuit.
Subwoofer Nirvana
Hifonics's HFXR active crossover, unlike the competition, includes a dash mountable Remote Bass Control, so the car driver can crank the Bass. This remote bass control feature sets the HFXR apart from the competition. Bass Boost is at the driver's fingertips. An HFXR can drive multiple amps to maxx with its hefty 8.5 Vrms of output.
asking 50 dollars shipped OBO paypal preferred