Yamaha Corporation

Yamaha Music Europe GmbH

Speaker type

An audio output channel is an electric circuit which acts as a path for a signal produced by a device. A device may have several audio output channels.

Audio output channels

Speaker placement

The quantity of drivers, which are individual transducers that converts electrical energy to sound waves.

Number of drivers

The diameter of the high-frequency driver, measured in inches.

Tweeter diameter (imperial)

The diameter of the low-frequency driver, measured in inches.

Woofer diameter (imperial)

Loudspeakers

RMS (Root mean square) is a measure of the continuous power required by a device, in particular audio amplifiers and loudspeakers.

RMS rated power

The lowest and the hightest frequencies that can be inputted/produced.

Frequency range

The effective resistance of an electric circuit or component to alternating current, arising from the combined effects of ohmic resistance and reactance.

Impedance

The specific frequency point at which the audio signal is split between different drivers, measured in Hertz.

Crossover frequency

The maximum acoustic energy emitted by the device, measured in decibels (dB).

Sound pressure level (max)

Audio

The target group or industry classification for which the product is intended (e.g. Business or Consumer).

Market segment

What the product should be used for, and how it should be used (e.g. ambient temperature).

Recommended usage

The quantity of speakers included in/with the product.

Number of speakers

The colour e.g. red, blue, green, black, white.

Product colour

What the casing of the product is made of.

Housing material

The mechanism used to adjust the audio output level (e.g., Rotary, Button, or Touch).

Volume control

The device can be controlled by remote control, which is a device that controls an apparatus by means of radio or infrared signals.

Remotely operated

Type of loudspeaker enclosure that uses the sound from the rear side of the diaphragm to increase the efficiency of the system at low frequencies as compared to a typical closed box loudspeaker or an infinite baffle mounting.

Bass reflex

Performance

The technology that enables connectivity of the device, e.g. wired or wireless.

Connectivity technology

Bluetooth is a low-power radio technology developed to replace the cables and wires currently used to link or connect electronic devices such as personal computers, printers, and a wide variety of handheld devices including mobile phones. Because it uses radio-wave connectivity, a Bluetooth-enabled device has a constant, established connection to whatever browser it uses. This saves the user the trouble of logging on to check for emails or news updates, for example.

Bluetooth

The number of RCA-type analog audio input ports available on the device.

Audio RCA inputs

Number of sockets /ports where headphones are connected.

Headphone outputs

Indicates whether the device features an XLR input for connecting professional audio equipment.

XLR in

Ports & interfaces

The voltage of the AC electricity that is inputted into the product.

AC input voltage

The range of alternating current frequencies the device can accept from the power source, measured in hertz (e.g., 45 - 65).

AC input frequency

Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.

Power consumption (typical)

Power

The measurement or extent of something from side to side.

Width

The distance from the front to the back of something.

Depth

The measurement of the product from head to foot or from base to top.

Height

Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.

Weight

Weight & dimensions

The number of individual units contained within a single sales package, measured in pc(s).

Quantity per pack

Instructions, either online, as a computer program or in paper form, to allow you to set up and start using the product quickly.

Quick start guide

Packaging content

Yamaha HS4 2-way White Wired 52 W

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