A power amplifier is a device that drives speakers by amplifying and outputting a signal from a preamplifier or mixer.
In addition to being commonly used in live houses and concert venues, there are multi-channel power amplifiers with 4 or more channels, and high impedance power amplifiers for equipment.
The input terminals are generally XLR 3-pin type. Select a line cable that matches the equipment you want to connect, such as a preamp or mixer.
On many models, the output terminal types are mainly Speakon, binding post (banana) and standard phone models. For the output terminals, select the speaker cable according to the type of connection terminal.
Since most power amplifiers are usually deep in depth, select a rack case that matches the size of the amplifier.
You can individually control the volume of the two main speaker channels (L/R). In addition to simple models, there are also models that have multiple processors built in, such as equalizers, crossovers, and limiters. When used in bridge mode, it can also be used to drive large speakers or subwoofers with large allowable inputs.
In addition to the volumes of the main L and R speakers, a single unit can individually control four channels of volume, such as two floor monitors, one floor monitor, and two subwoofers, and so on, taking up the space of two stereo amplifiers in the same rack space. Here, too, we have a multi-functional high-end model with an LCD display.
They can be used in combination with exposed, ceiling-mounted or high-impedance speakers such as horn speakers for background music in restaurants, beauty parlors, schools, conference centers, festivals, elections, and so on. Multiple speakers can be connected to a single line.
The above power amplifiers are analog, but there are also digital power amplifiers. The CLASSIC PRO DCP series uses a switching power supply, and has no transformer, achieving downsizing and weight reduction.
High-quality standard sound with excellent cost performance.
Realizes the top powerful sound while having a lightweight body.
The lineup includes the DCP4450 1U 4-channel power amplifier and the DCP30 mini compact stereo amplifier.
A chime function is quipped to the microphone / AUX input. Useful in various situations such as store BGM and announcements.
DSP-equipped multichannel power amplifier that combines high functionality and high sound quality
This model delivers the best sound quality in the PLD series at a reasonable price.
QSC's highly reliable, clean, undistorted, powerful sound.
Equipped with QSC's original "GuardRail" protection circuit. High sound quality at a reasonable price.
Without compromising the sound quality, all models are lighter by an astonishing 5kg.
High-end models with high performance DSP, which can be connected to a PC for advanced settings.
2.The main speaker L × 2 and R × 2: Two opposing sets can be set up.
3. Main L and R, CD deck L and R: You can control the volume of each sound source separately.
1.Parallel connection: Suitable for equipments such as schools and facilities that require many speakers.
2.Switch output: It is suitable when you need many speakers and you want to change the volume for each room.
(CLASSIC PRO "CMP series")
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