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2. Powered speakers - Wikipedia

   en.wikipedia.org/wiki/Powered_speakers

   An active full-range loudspeaker. Powered speakers, also known as self-powered speakers and active speakers, are loudspeakers that have built-in amplifiers.Powered speakers are used in a range of settings, including in sound reinforcement systems (used at live music concerts), both for the main speakers facing the audience and the monitor speakers facing the performers; by DJs performing at ...

3. Audio power amplifier - Wikipedia

   en.wikipedia.org/wiki/Audio_power_amplifier

   Audio stereo power amplifier made by McIntosh The internal view of a Mission Cyrus 1 Hi Fi integrated audio amplifier (1984) [1]. An audio power amplifier (or power amp) amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup, to a level that is high enough for driving loudspeakers or headphones.

4. Marshall Amplification - Wikipedia

   en.wikipedia.org/wiki/Marshall_Amplification

   A 3 × 6 stack of Marshall ModeFour guitar cabinets on the main stage of Tuska Open Air Metal Festival in 2008. This setup belonged to Jeff Hanneman of Slayer.. Marshall Amplification is a British company that designs and manufactures music amplifiers, speaker cabinets, and effects pedals.

5. Shopee - Wikipedia

   en.wikipedia.org/wiki/Shopee

   Shopee was established in Singapore in February 2015 as a mobile-focused marketplace that enables users to browse, shop, and sell products. [9] The platform integrates logistical and payment support to facilitate transactions and is designed to operate with minimal physical assets.

6. SWR Sound Corporation - Wikipedia

   en.wikipedia.org/wiki/SWR_Sound_Corporation

   The Workingman's Series of amplifiers was redesigned and upgraded to the WorkingPro Series - amplifier heads and speaker cabinets in 2005, and amplifier/speaker combos in 2006. At the January 2007 NAMM Show , SWR introduced the SM-1500 head, which combined the hybrid tube/solid-state platform with some Fender-era innovations, including a tube ...

7. Bridged and paralleled amplifiers - Wikipedia

   en.wikipedia.org/wiki/Bridged_and_paralleled...

   A bridge-parallel amplifier topology is a hierarchical combination of the bridged and paralleled amplifier topologies, with at least four single-ended channels needed to produce one bridge-parallel channel. The two topologies complement each other in that the bridging allows for higher voltage output and the paralleling provides the current ...

8. Amplifier - Wikipedia

   en.wikipedia.org/wiki/Amplifier

   An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude (magnitude of the voltage or current) of a signal applied to its input ...

9. Bi-wiring - Wikipedia

   en.wikipedia.org/wiki/Bi-wiring

   Amplifier and loudspeaker with two elements and crossover networks. Top: normal connection. Bottom: bi-wiring. Loudspeaker bi-wired using banana plugs. Bi-wiring is a means of connecting a loudspeaker to an audio amplifier, primarily used in hi-fi systems. Normally, there is one pair of connectors on a loudspeaker and a single cable (two ...