Comparison Pioneer TS-A300D4 vs Pioneer TS-A300S4

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	Pioneer TS-A300D4	Pioneer TS-A300S4
	from $89.95 up to $232.38 Compare prices 3	$89.95 Compare prices 1
all specs only differences
TOP sellers	Amazon.com $109.00 Buy in shop Newegg.com $232.00 Buy in shop Amazon.com $90.00 Buy in shop	Amazon.com $90.00 Buy in shop
Application area	car	car
Design	without body	without body
Type	passive	passive
Size	12" (30 cm)	12" (30 cm)
Tech specs
Rated power	500 W	500 W
Max. power	1500 W /Peak/	1500 W /Peak/
Frequency range	20 – 2300 Hz	20 – 2300 Hz
Sensitivity	77 dB	77 dB
Dual voice coil
Impedance	4 ohm /single coil/	4 ohm
Resonant frequency	25 Hz	26 Hz
General
Diffuser material	polypropylene	polypropylene
Woofer Diameter	300 mm	300 mm
Added to E-Catalog	may 2019	may 2019

Dual voice coil

A dual voice coil is actually two separate voice coils on the same speaker. This allows you to connect two amplifiers to the subwoofer at once, thus providing high sound power.

Resonant frequency

The natural frequency of the cone in the subwoofer speaker, namely the frequency with which the cone will oscillate if the speaker is suspended freely in the air and a single impulse is transmitted to the cone (for example, by clicking on it with your finger). In subwoofers, this parameter determines, in particular, the lower limit of the frequency range (see above): at frequencies below the resonant sound power drops sharply. Accordingly, for deep rich bass, the resonant frequency should be as low as possible. This parameter is also used to calculate the size of the enclosure for the subwoofer.