ReviewsOperational Amplifier

Professional Audio Bluetooth Power Amplifier - 2-Channel Rack Mount Bridgeable, LED Indicators, Shockproof Binding Posts, Cooling Fans 1000 Watt - Pyle PTA1000

BLUETOOTH COMPATIBLE: Built-in Bluetooth wireless music streaming ability works with all of today’s latest devices including smartphones, tablets, laptops and computers. Hassle-free receiver pairing allow you to stream wireless audio instantly.
SAFETY CONSCIOUS POWER SWITCH: When the power amp is turned on, there is a three-second delay, which reduces/eliminates the turn-on transients associated with the system equipment connected to the amplifier and protects loudspeakers.
POWER LED: Built-in power LED indicators illuminate when the AC main power is being supplied to the amp and both channels are operational.
SHOCKPROOF BINDING POSTS: Shockproof binding posts are provided. For each channel, the outputs are in parallel and the speaker connection cables can be terminated with banana plugs or stripped wires.
AUTOMATIC COOLING FANS: Two 2-speed DC fans supply cool air to the amplifier. The fans switch to high speed automatically when the unit requires additional cooling.

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DYNASTY PROAUDIO WSA-5RP Wireless Surround Sound Rear Speakers Kit with 2 x 50W Amplifier Built-in 5.2G / 5.8GHz Dual Band Selectable Total 106 RF Channel Auto Switching

✅[Lossless Audio & low Interference] latest wireless audio technology that supports 5.2 & 5.8GHz dual-band selectable digital wireless with an....
✅[Easy Connection with A/V Receiver System] comes with Speaker Line Level Input and Stereo RCA Input that can receive full band audio from any audio....
✅[High Efficiency Amplifier Built-In] 2 x 50W RMS @ 4 ohms load Class D amplifier, allow you to connects directly to any passive bookshelf or the....
✅[An additional subwoofer connection] provides an additional subwoofer mono input and output, for connecting between AV Receiver and Power/Active....
✅[Wide Transmission Range] - Up to 100 ft (30M) operational distance between transmitter and receiver (line of sight) with 24-bit 48KHz full CD....

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Khadas DAC Tone 2 Pro | Desktop Digital Analog Converter -Headphone Amplifier with USB-C/USB-C I2S Inputs/Outputs 3.5mm Unbalanced / 4.4mm Balanced/RCA - MQA DECODER Black

Amaze Listening Experience:Khadas tone2 pro come with MQA decoding support The onboard XMOS XU216 processor enables bit-perfect, hardware-native, USB....
Powerful Amplifier:Portable DAC with ESS ES9038Q2M DAC has been paired with four powerful OPA1612 operational amplifiers, and three buffer amplifiers.....
Power-Noise Isolation.: Balanced headphone amp includes a 4.4 mm balanced headphone jack in addition to the standard 3.5 mm single-end jack. The Tone2....
Compact Design: khadas dac amplifier has a bespoke design that is unique to the DAC world. Its slim aluminum enclosure accommodates many features. The....
High Performance :Khadas tone2 pro up to 32bit 768KHz sample rate, Coaxial Input192KHz 24bit,bit-perfect DSD512, and -118dB THD+N,3 Stage....

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Heayzoki DCDC Power Supply Module ABS Material Long Service Life for Operational Amplifier(Turn Negative -5V, Pisa Leaning Tower Type)

The module is made of high quality ABS material, it is durable and have long service life..
The product has strong compatibility, can be applied in many places, easy to use..
With 2.54mm pin pitch, it can be used for friendly testing of MCU development board..
It can be widely used in LCD/ADC/DAC/operational amplifier RS232, RS485, RS422 bus..
This is a DCDC voltage converter module, not difficult to assemble, convenient to store..

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AUTOUTLET 192kHz Optical to RCA Converter DAC Digital to Analog Audio Converter Spdif/Optical/Toslink to RCA Audio Adapter with 3ft Optical Cable for HDTV, DVD, Blu-Ray Players and Game Consoles

...ter is designed for professional audio signal processing. 192 kHz digital analogue converter can easily convert SPDIF optical interface to RCA analog audio interface for stereo amplifier..
【Excellent Sound Quality】Our optical to RCA converter adopts a built-in professional audio amplifier chip and a dual-channel operational amplifier, which can amplify the RCA output level and make the sound pure and clear. (The volume level can only be adjusted on the output device.).
【Small and Light + Built-in RCA Design】 This product has been specially designed to be small and light. It turns the common RCA connection into a built-in cable design, which greatly reduces the customer's space usage and becomes more convenient, no longer need to find an extra place to put it when using it..
【Professional Input Signal Processing】Analog to digital audio converter provides 24Bit/192KHz sampling rate, professional and higher frequency to avoid distortion of the original signal. Optical input supports signal processing up to 32, 44.1, 48, 96, 192 sample rates, and 24-bit bit streams..
【Easy Installation & Plug and Play】Easy installation and operation, no software, no driver required.
SPDIF to RCA converter works great with HDTVs, set-top boxes, DVD/Blu-Ray pla....

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Fosi Audio PH04 4 Channel Headphone Amplifier Stereo Audio Amp with 12V 1.5A Power Adapter Ultra-Compact Portable Headphone Splitter for Studio and Stage

...ding session calls for everyone's heads and ears to be in the game, the PH04 is the perfect solution and a real money-saver!.
【Great Sound, Great Value】The PH04 contains 4 independent stereo high-power amplifier sections that maintain the highest sonic quality even at maximum volume levels. These ultra-low-noise operational amplifiers are included for outstanding audio performance: the same op amps found in "full-size" audio equipment..
【Ultra-Compact Design】A Simple Solution: Ultra-compact headphone amplifier system for studio and stage applications. Grab this super-compact amp during your sessions to power practically any headphones: four of them at the same time. To be exact, let up to 4 different people in your studio listen to the main mix while recording, and each listener can determine their own preferred volume level using the dedicated output level controls..
【What You Get】PH04 Amp, 12V DC power adapter, user manual, our worry-free 18-month warranty, and friendly customer service..

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Better Sound from your Phonograph: How come? How-to!

CONVERTS PHONO SIGNALS: A turntable preamp that converts phono signals to Line Level Signals. This state-of-the-art circuitry phono preamp can accommodate magnetic pickups with an input sensitivity of 3mV at 50K Ohms.
LOW NOISE OPERATION: Offers outstanding performance with it’s Low-Noise Audio Operational Amplifiers. The output is 2V max (P-P) at 10K Ohms. It’s better to position the preamp close to the source to reduce unwanted noise and interference.
CONNECTS TO TURNTABLES: Connect any turntable to modern sound equipment without specialized phono input for amplifying music. For the receiver, this can be connected to speakers, computers, laptops and more.
SIMPLE PLUG & PLAY: This mini preamp has stereo RCA inputs and stereo RCA outputs. Connect the turntable to the RCA inputs and ground. Then, connect the amplifier receiver to the RCA outputs.

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Syba SI-PEX63096 6-Channel DAC for AC3 5.1 Channels 4PIN Connector Retail

... fit with most home audio system and headphones. (Note: Q4 do not support Microphone). RCA output can be connected to amplifier or powered speakers on your desktop. Built-in Hi-Fi headphone amp chip can drive most 16 Ohm to 200 Ohm headphones..
Q4 Heaphone USB DAC Adopts the Texas Instruments NE5532 high-performance operational amplifiers chip combining excellent DC and AC characteristics. Q4 features very low noise, high output-drive capability, high unity-gain, and maximum-output-swing bandwidths, low distortion, high slew rate, input-protection diodes, and output short-circuit protection.Q4 has specified maximum limits for equivalent input noise voltage..
160mW RMS(32 ohms, 20 Hz - 20 KHz, 0.01% THD), with bass and treble control Q4 can be used as preamp or volume controller for your PC/Computer/MAC/headphons/speakers system. Easy to set up. No special software, app, or driver to install, a true plug-and-play digital audio adapter..
Mini compact D/A converter, full metallic shell to ensure high quality. Stream bit-perfect 24bit/192KHz HD with low jitter, with output protect circuit, safe for your expensive audio system..
What You Get: Q4 USB DAC x1, USB charging cable x1, optical cable x1, PC-USB to type B cable, User Manual x1, our worry-free 18-mont....

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Rockford Fosgate X3-Stage4 400 watt Stereo, Front Speaker, subwoofer, & Rear Speaker kit for Select Maverick X3 Models

SOUNDBAR: The unit mounts above the passengers so it is positioned to deliver exceptional sound quality at any speed. Installation is easy, a single harness with +12-volt, ground, and ignition wires is internally wired to the amplifier and are the only electrical connections that need to be made to make the unit operational..
SOUNDBAR: The source unit includes an integrated amplifier and support for Bluetooth, 3.5mm auxiliary, and USB inputs that allow you to listen to your music however you want. Additionally, the unit includes a digital AM/FM radio, digital clock, switch controlled LED map light, and cargo nets for storing whatever you need close by. Additionally, the unit includes an RCA output for connecting external amplifiers to run additional speakers or subwoofers..
SIDEKICK: This portable Bluetooth radio is crammed with features to keep you prepared for anything on your offroad trek, including a hand crank turbine to charge your phone, AM/FM and NOAA weather alert radio, flashlight, large ambient light, and red emergency beacon. // PHONE CASE: This TerraClamp mounts to your roll cage. Weather-resistant plastic shields from mud and water while retaining touch screen capability, and you can pop the case off the mount and take it with you..

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MTX Audio MUDSYS46 Bluetooth Overhead UTV Audio System Adventure Bundle with Eton Sidekick Weather Radio and Phone Mount. All-Weather ATV/Powersports Soundbar with Four Speakers and Built-In Amplifier

SOUNDBAR: The unit mounts above the passengers so it is positioned to deliver exceptional sound quality at any speed. Installation is easy, a single harness with +12-volt, ground, and ignition wires is internally wired to the amplifier and are the only electrical connections that need to be made to make the unit operational..
SOUNDBAR: The source unit includes an integrated amplifier and support for Bluetooth, 3.5mm auxiliary, and USB inputs that allow you to listen to your music however you want. Additionally, the unit includes a digital AM/FM radio, digital clock, switch controlled LED map light, and cargo nets for storing whatever you need close by. Additionally, the unit includes an RCA output for connecting external amplifiers to run additional speakers or subwoofers..
SIDEKICK: This portable Bluetooth radio is crammed with features to keep you prepared for anything on your offroad trek, including a hand crank turbine to charge your phone, AM/FM and NOAA weather alert radio, flashlight, large ambient light, and red emergency beacon. // PHONE CASE: This TerraClamp mounts to your roll cage. Weather-resistant plastic shields from mud and water while retaining touch screen capability, and you can pop the case off the mount and take it with you..

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Nobsound Little Bear T7 Vacumn Tube Mini Phono Stage RIAA MM Turntable Preamp & HiFi Tube Pre-Amplifier (Silver)

CONVERTS PHONO SIGNALS: A turntable preamp that converts phono signals to Line Level Signals. This state-of-the-art circuitry phono preamp can accommodate magnetic pickups with an input sensitivity of 3mV at 50K Ohms.
LOW NOISE OPERATION: Offers outstanding performance with it’s Low-Noise Audio Operational Amplifiers. The output is 2V max (P-P) at 10K Ohms. It’s better to position the preamp close to the source to reduce unwanted noise and interference.
CONNECTS TO TURNTABLES: Connect any turntable to modern sound equipment without specialized phono input for amplifying music. For the receiver, this can be connected to speakers, computers, laptops and more.
SIMPLE PLUG & PLAY: This mini preamp has stereo RCA inputs and stereo RCA outputs. Connect the turntable to the RCA inputs and ground. Then, connect the amplifier receiver to the RCA outputs.

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