Best Impp 1subwoofer

PIONEER TS-A4670F 4\\\ x6 4-Way Coaxial Speaker, Black

twin 11mm polyethylene terephthalate (pet) hard dome tweeter.
"4 x 6" carbon and mica reinforced injection molded polypropylene (impp) cone construction".
Included components: (2) Speakers, Manual.

Pioneer TS-A6960F 6 x9 4-Way Coaxial Speaker

Twin 11mm polyethylene terephthalate (pet) hard dome tweeter.
6 x 9" Carbon and mica reinforced injection molded polypropylene (IMPP) cone construction.
Included components: (2) Speakers, Manual.

BLAUPUNKT GTX695 6 x 9 5-Way Coaxial Car Speakers 750 Watts 4 Ohm

1" High-Temperature Aluminium Voice coil..
Impedance: 4 Ohm. Frequency Response: 50Hz - 20KHz. Sensitivity: 90dB..

Pioneer G-Series TS-G1620S 6.5 2-Way Coaxial Car Speakers

Injected Molded Polypropylene (IMPP) Composite Cone Woofer.

Audiopipe 10 Marine Subwoofer 600 Watts APSW-1032V

600 Watts Power (P.M.P.O.) 300 Watts Power (R.M.S.).
Frequency Response: 32-2500Hz Sensitivity: 88dB Impedance: 4 Ohms.
2.5” TIL Voice Coil Rubber Surround Piano Black IMPP Cone.
White ABS Basket Mounting Depth: 130mm (5 ⅛”) 56 Oz. Magnet.
Sport grills sold separately (Available in White/Black/Titanium).

Soundstream R3.12 800W 12' Reference R3 Series Dual 2 Ohm Subwoofers

12" Dual 2 Ohm Reference R3 Series Subwoofer.
Die-cast aluminum sound stream reference R1 frame.

Soundstream R3.8 8' 500 Watt Reference R3 Subwoofer

Nickel Plated 12 ga. Compression Wire Terminal.

Soundstream R3.8 500W 8' Reference R3 Series Dual 2 Ohm Subwoofers

8" Dual 2 Ohm Reference R3 Series Subwoofer.
Die-cast aluminum sound stream reference R1 frame.

Pioneer TSW126M 12' Subwoofer with IMPP Cone

1300 watts Max power (350 watts nominal).
IMPP cone produces tight and accurate bass.
Specially designed voice coil offers higher power handling.
Recommended power range 100 - 300 watts RMS.