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Comparison Mystery MBB-252A vs Mystery MBB-252

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Mystery MBB-252A
Mystery MBB-252
Mystery MBB-252AMystery MBB-252
from $99.68 up to $121.44
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from $70.32 up to $84.60
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Application areacarcar
Designenclosedenclosed
Enclosure typesealed boxsealed box
Body shapeBoxBox
Typeactivepassive
Size10" (25 cm)10" (25 cm)
Tech specs
Rated power150 W300 W
Frequency range28 – 1000 Hz28 – 1000 Hz
Sensitivity94 dB94 dB
Impedance4 ohm4 ohm
Bass level control
High voltage input
Gold plated contacts
General
Remote control
Protective grille
Diffuser materialpulp / paperpulp / paper
MaterialMDFMDF
Woofer Diameter250 mm250 mm
Enclosures dimensions300х660х250 mm300х660х250 mm
Added to E-Catalogjuly 2012july 2012

Type

Active. Subwoofer equipped with its own built-in amplifier. Such a subwoofer can be connected directly to the signal source, without any additional amplifiers; while the built-in amplifier, by definition, has characteristics that best match the parameters of the speaker. And when using other amplifiers, an active subwoofer reduces the load on them, which has a positive effect on sound quality and power. In addition, your own amplifier can be equipped with its own sound tuning tools and other additional features. On the other hand, all this affects the cost of the device, and active models are somewhat more difficult to install, because. require separate power supply.

Passive. Subwoofers not equipped with their own amplifier. They are cheaper than active ones and easier to install. work without a separate power supply, however, the connection is fraught with some difficulties: for normal operation, an amplifier is needed, the characteristics of which (in particular power and impedance, see below) must optimally match the parameters of the subwoofer.

Rated power

The average (root mean square — RMS) power of the input signal, at which the subwoofer is able to work continuously without negative consequences (damage, failure) for at least an hour. The rated power of the subwoofer must be greater than the power of the amplifier connected to it — in order to avoid overloads.

Bass level control

Since the subwoofer was originally designed to reproduce bass, in fact, in this case, it implies the presence of its own volume control, which allows you to change it without affecting the signal source. This allows you to easily set the desired bass level relative to the rest of the sound of the audio system (for different cases, this ratio may be different).

High voltage input

The presence of a high-voltage input at the active (see "Type") subwoofer. Such an input greatly expands the possibilities for connection. Usually active subwoofers are connected via a linear (low-voltage) input directly to the radio. The high-voltage input allows you to connect the speaker to a separate power amplifier, like a passive subwoofer.

Remote control

The remote control allows you to control the functions of the subwoofer from a distance. This is especially useful if the device is installed in the boot or otherwise difficult to access — you can easily change settings without access to the subwoofer itself, including while the car is moving.
Mystery MBB-252A often compared
Mystery MBB-252 often compared