Best Circuit Filter

Soundstream T7.124rk Tarantula T7 12' Dual 4 Ohm Recone Kit

Digital Bass Driver with Dash Mount Remote Bass Control.
Bass restoration circuit accurately recreates and injects low frequency information back into the signal path.
Bass equalization circuit contours the restored bass to your speaker subwoofers.
Bass maximizer indicator has 2 LED Indicators that flashes when the bass maximization circuit is activated.
PFM Subsonic filter switch to protect your subwoofers and fine tune the bass response of any system.

Rockville USS8 8" 600w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub. 600 Watts Peak / 150 Watts RMS. Heavy Duty Mounting Feet. PWM MOSFET Power Supply. Low Level RCA Input..
High Level Inputs with Auto Turn-On Technology. Adjustable Input Sensitivity. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit. Green Power/Red Protect LED..
Phase Switch: 0 Degree or 180 Degree. Low Pass Filter: 50Hz - 150Hz. Bass Boost: 0 - 12dB at 45Hz. Subsonic Filter: 20Hz - 50Hz. THD 82dB. Sensitivity: 90dB at 1w / 1m. Input sensitivity, RCA level 195mV. Input sensitivity, HIGH level 5.6V..

Rockville USS8 8" 600w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub. 600 Watts Peak / 150 Watts RMS. Heavy Duty Mounting Feet. PWM MOSFET Power Supply. Low Level RCA Input..Impedance: 3 ohm.Speaker size:8 inches.
High Level Inputs with Auto Turn-On Technology. Adjustable Input Sensitivity. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit. Green Power/Red Protect LED..
Phase Switch: 0 Degree or 180 Degree. Low Pass Filter: 50Hz - 150Hz. Bass Boost: 0 - 12dB at 45Hz. Subsonic Filter: 20Hz - 50Hz. THD 82dB. Sensitivity: 90dB at 1w / 1m. Input sensitivity, RCA level 195mV. Input sensitivity, HIGH level 5.6V..

Rockville RW68CA 6x8" 400w Slim Under-Seat Powered Car Subwoofer..
Enclosure is made out of cast aluminum which stays cool at all times. Peak Power Handling: 400 Watts. RMS Power Handling: 100 Watts..
Our most compact powered subwoofer. High Level Inputs with Auto Turn-On Technology..
Low Pass Filter: 50Hz - 180Hz. Bass Boost: 0 - 12dB @ 45Hz. Built in Subsonic Filter @ 20Hz. Adjustable Input Sensitivity. Includes remote bass knob. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit, Overload Protection..
Heavy Duty Mounting Feet. PWM MOSFET Power Supply. Low Level RCA Input. Green Power/Red Protect LED. Phase Switch: 0° or 180°. THD: < 0.4%. Fuse Rating: 20A. Impedance: 4 Ohm.

【Auto Wah】Fully controllable envelope filter with unique decay control, highly accurate and fast tracking..
【Four function knobs】SENS is used to control the sensitivity. RES is used to control the filter sharpness. Use DECAY to make filter frequency fall back to the resting point. RANGE is used to control the filter frequency range..
【LED Indicator】LED indicator shows the working state. Analog circuit design, true bypass provide transparent tone..
【Durable & Compact】Whole Aluminium-alloy classic, stable and strong..
【Note】DC 9V Adapter power supply. (NOT Included).

【7 WAY ISOLATED OUTPUT】Hiree power supply is designed for effect pedal. 7 Individual output: 9 Volt 100mA port x 6, 9V 300mA port x 1. Short circuit in one channel won't affect other channels function..
【SHORT-CIRCUIT / OVER-CURRENT PROTECTION:】All 7 outputs in this unit have separate short-circuit protection, i.e. short circuit in one channel won't affect other channels' function..
【NOISE FILTERING】This guitar pedal power brick is built in a powerful noise filter. It is so quiet that you can enjoy playing with clear and firm sound..
【Compact Size and No External adapter】Compact body and 5ft disconnectable AC power cord, very easy to manage and carry everywhere you go. for maximum space-saving at home or in your travel bag.Wide range input voltage from 100v to 240v is ideal for international travel..

Dash Mount Remote Control | Bass Level & PFM Subsonic Filter | Bass Equalization Circuit.
Bass Output Control | Bass Output Control | PFM Subsonic Filter Control.
Parametric Bass Controls | PWM High Head Room Power Supply | Output Level 13.5 Volt.
Frequency Response: 10HZ-100KHZ | THD: 0.003% & S/N @ 130DB.

...ade out of cast aluminum which stays cool at all times. Peak Power Handling: 400 Watts. RMS Power Handling: 100 Watts. Heavy Duty Mounting Feet. PWM MOSFET Power Supply. Low Level RCA Input. High Level Inputs with Auto Turn-On Technology. Adjustable Input Sensitivity. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit. Overload Protection Circuit. Green Power/Red Protect LED. Phase Switch: 0° or 180°. Low Pass Filter: 50Hz - 150Hz. Bass Boost: 0 - 12dB @ 45Hz. Built in Subsonic Filter @ 20Hz. THD: 90dB. Sensitivity: 90dB @ 1w / 1m. Input sensitivity, Low level: 300mV. Input sensitivity, High level: 1.0V.
Rockville RWK10 10 Gauge 2 Channel Car Amplifier Wiring Installation Kit. (1) 17 High Grade Twisted Pair of 100% Copper RCA Cable. 17' 10 Gauge Translucent Blue SuperFlex Power Cables. 17 18 Gauge Blue Remote Cable. 17 16 Gauge Clear Speaker Wire. 3' 10 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 40 Amp ATU Inline Fuse. 7 Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets . Soft abrasion proof insulating jacket allows for 100% improved flexibility. PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F.

Factory add an Inductance transformer and Bipolar filter circuit to get the nicer sound for the MKIII.Come with a Tube Cage and VU meters..
Power Transformers: new imported 0.35, stack thickness 60MM (114-60)..
Output amplifier core: core 0.35 new imported thick high silicon (86-50)..
Some of Senior audiophile optimization the electric circuit,it is better at arom,intermediate frequency and bass..