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2. Roku - Wikipedia

   en.wikipedia.org/wiki/Roku

   Audio output Wireless 802.11 Remote Processor Memory Storage [note 1] Optical, HDMI Ethernet USB micro SD HD 4K HDR10, Dolby Vision Analog DTS Dolby Atmos Roku Streaming Stick+ (3810) Sep 2019 HDMI 2.0a No Yes*, for long-range wireless receiver No Yes Yes HDR10 Stream to smartphone Yes Yes a/b/g/n/ac dual-band IR, Wi-Fi Direct, Voice Search

3. Audio system measurements - Wikipedia

   en.wikipedia.org/wiki/Audio_system_measurements

   Audio system measurements are used to quantify audio system performance. These measurements are made for several purposes. Designers take measurements to specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative defects of an audio ...

4. Damping factor - Wikipedia

   en.wikipedia.org/wiki/Damping_factor

   Damping factor. In an audio system, the damping factor is defined as the ratio of the rated impedance of the loudspeaker (usually assumed to be 8 Ω) to the source impedance of the power amplifier. [1][2][3][4][5][6] It was originally proposed in 1941. [7] Only the magnitude of the loudspeaker impedance is used, and the power amplifier output ...

5. List of software-defined radios - Wikipedia

   en.wikipedia.org/wiki/List_of_software-defined...

   List of software-defined radios. This article provides a list of commercially available software-defined radio receivers. Embedded or True IQ data via 1 x USB 3.1 GEN 1. Internet remote via HTTP / JSON. Embedded or True IQ data via 1 x or 2 x USB 3.0. Optional 1 x USB 3.1 GEN2 (power only). Internet remote via HTTP / JSON.

6. RCA connector - Wikipedia

   en.wikipedia.org/wiki/RCA_connector

   Passband. Typically 0–100 MHz. The RCA connector[3] is a type of electrical connector commonly used to carry audio and video signals. The name RCA derives from the company Radio Corporation of America, which introduced the design in the 1930s. [4] The connector’s male plug and female jack are called RCA plug and RCA jack.

7. Audio power - Wikipedia

   en.wikipedia.org/wiki/Audio_power

   Audio power. Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts. The electrical power delivered to the loudspeaker, together with its efficiency, determines the sound power generated (with the rest of the electrical power being converted to heat). Amplifiers are limited in the electrical ...