An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power 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 of a signal applied to its input terminals, producing a proportionally greater amplitude signal at its output. The amount of amplification provided by an amplifier is measured by its gain: the ratio of output voltage, current, or power to input. An amplifier is a circuit that has a power gain greater than one.
An amplifier can either be a separate piece of equipment or an electrical circuit contained within another device. Amplification is fundamental to modern electronics, and amplifiers are widely used in almost all electronic equipment. Amplifiers can be categorized in different ways. One is by the frequency of the electronic signal being amplified. For example, audio amplifiers amplify signals in the audio (sound) range of less than 20 kHz, RF amplifiers amplify frequencies in the radio frequency range between 20 kHz and 300 GHz, and servo amplifiers and instrumentation amplifiers may work with very low frequencies down to direct current.
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Different Types of Highest Rated Multi-Purpose Amplifiers at Best Price to Buy Online in India:
- Has 4 mic/line + 1 stereo input
- Gain control with 2-band EQ per channel. Built-in echo/delay processor with unique E-delay
- Clip LED indication per channel. Signal and clip LED indication for master level. 1/4 TS unbalanced L/R main output
FIFINE Headphone Amplifier 4 Channel Metal Stereo Audio Amplifier, Mini Earphone Splitter with Power Adapter – 4x Quarter Inch Balanced TRS Headphones Output and TRS Audio Input for Sound Mixer – N6
- Share a Single Stereo Source: 4 channel amplifier with separate volume knobs for each of the 4 outputs. No audio crackle, minimal distortion at highest volume
- Fantastic Stereo Audio Quality: Mini stereo amplifier with 4 x 1/4” Stereo Headphone TRS Output Connector Jacks, 1 x 1/4” TRS Source Input Connector Jack
- Compact and Portable: Solid metal build construction headphone mixer, tight connections, smooth operating knobs. Components and exceptionally rugged construction ensure long life
- Used for Applications: Features a durable and compact design headset amplifier perfect for both on-stage and in-studio performances or application that requires multiple headphone connections
- Headphone amplifier 4 channel would be excellent for up to four people monitoring the mix for tracking, live uses. Ultra-compact headphone amplifier system for studio and stage applications
- Stereo Echo Mixer WITH USB Digital Echo 20 – 400 m/s-6 Channels.
- Frequency 25 Hz – 25 KHz. Input Gain: – 50 dB to 6 dB gain range with overdrive indication. Output 0 dBm / 17 dBm (775mv / 5.5v)
- Equalization: Bass &
- Treble+ 5 dB. Controls: Gain, Eq., Pan, echo, Fader.
- Switch from Stero to Mono
- Battery Option
- 2 AUX inputsline output for connecting to a booster amplifier
- Comes with digital media player
- Preamplifier output for recording the programme
- 7 Channel mixer with built-in Digital Player(USB option)
- All Purpose 7 Channel PA Mixer Preamplifier Each input channel has a 1/4” balanced phone jack for Mic/Line & accepts both balanced & unbalanced signals. Independent USB playback channel with BASS, TREBLE and LEVEL controls.
- Built-in digital effects processor with Delay, Repeat & Level controls.
- Each MIC/LINE channel has Gain, Bass, Treble, PAN and Level controls with Clip LED indicator.
- 6 Mic, 2 Aux Inputs and CD/Stereo input (L&R)
- Built-in MP3 player with remote control for USB, SD/MMC card reader.
- TZA-2000DP is ideal for medium sized installations such as in places of worship where two separate groups of speakers are needed to be connected.
- Brand: MEDHA D.J. PLUS
- PA Mixer Amplifier USB-60
- Color : Black
- PA AUDIO MIXING CONSOLES – STEREO
- Mono/Stereo Output: Mono output is available from Left & Right output jacks when the switch is in ‘Mono’ position.
- Each channel has GAIN, BASS, TREBLE, ECHO, PAN and slide LEVEL controls with CLIP LED indicator.
- Echo section provided with Delay, Repeat & Level controls. Tape section for Record & Playback facility.
- Two Master Stereo Inputs plus Stereo Link Output
- 8 Segment LED Metering on Each Channel and Master
- Three Headphone Outputs per Channel (One Front Panel and Two Rear Panel Outputs), Auxiliary Input with Balance Control provides four Channels of “More Me” Mixing
- Mute and Stereo/2 Channel Mode Switches and 2-Band EQ on Each Channel
- Maximum Output Power on Each Channel (Regardless of Headphone Impedance)