Vision CS-1900P car speaker 2-way Round 2 pc

The span of frequencies, expressed in hertz (Hz), that a device can operate within or respond to. It may be given as a single value, a numeric range (e.g., "20 000‑50 000 Hz"), or an open‑ended interval such as "2.4 GHz+" indicating the lower bound only.

Indicates whether a handheld device can be operated from a distance using an external remote control such as infrared, Bluetooth or Wi‑Fi. A value of "Yes" means the product supports remote operation; "No" indicates it does not.

The total count of individual units contained within a single package or bundle. This value helps customers understand how many pieces they receive when purchasing the product, and it is useful for inventory, shipping, and comparison purposes.

The electrical power rating of a product, expressed in watts (W). It indicates the maximum amount of power that the device can consume or deliver under normal operating conditions, and is useful for comparing energy usage across similar items.

The sensitivity of a device expressed in decibels (dB), indicating how much sound or signal it can detect or respond to. Values may include positive, negative, or zero levels and sometimes reference frequencies such as 1 kHz. This attribute helps users compare the responsiveness of microphones, speakers, or other audio equipment.

The overall geometric configuration of a product’s outer enclosure or packaging, such as rectangular, square, round, oval, cylindrical, or other common silhouettes. This attribute helps users quickly identify and compare items based on their visual appearance.

Indicates whether the product comes with a subwoofer as part of its standard package. A value of "Yes" means a subwoofer is supplied and ready for use; a value of "No" means no subwoofer is included and must be purchased separately.