Bass Rockers BRM4v2 4 Inch Metal Basket 100 RMS Mid-Range Coaxial Circle Speakers, Car Audio 8 Ohms, 225 W Max Pair

SENSITIVITY: Our midrange speaker has a sensitivity of near about 85.6 dB (1w/1m). A speaker with a sensitivity rating over 85 dB is considered excellent. If there's one speaker specification ever worth looking at, it's the sensitivity rating. Sensitivity tells you how much volume you'll get.
^^ FREQUENCY RANGE: A speakers frequency tells you how accurately it converts the frequencies of an input signal. Our powerful speakers have a frequency range between 174Hz-16kHz and a human ear can hear the frequency between 20Hz-20k Hz which is highly suitable.
^^ SPEAKERS KAPTON COIL: The larger you make the voice coil, the more power it can handle. The speaker coil or loudspeaker voice coil is a coil of wire attached to the apex of a loudspeaker cone. Our copper-clad aluminum wire (CCAW) has a size of 3/8 inch which is large enough for good quality. ^^ MIDRANGE SPEAKER 4
INCH POWER: Best car midrange speakers 4 inches that have a maximum power of 225 w and RMS power of 100 w. Our 4 inch car speaker is one of the most powerful speakers on the market and this is the best car midrange speaker that money can buy.
^^ IMPEDENCE: Our best speaker pods have a resistance of 8-ohms. Ohm is a kind of unit of measure, which measures impedance. Impedance is one of the most important components of a speaker because it acts as a resistor to prevent electrical current from flowing through it.