Reviews Low impedance Output

Drop THX AAA ONE Headphone Amplifier - Desktop Amp with Single-Ended RCA Inputs and Preamp Output, Black

  • STREAMLINED ESSENTIALS: We teamed up with THX to build a leaner version of our beloved 789 amplifier. With THX AAA technology, three gain stages, and a new preamp output, the Drop + THX AAA ONE has all the essentials, and nothing extra..
  • STREAMLINED AMPLIFICATION, ULTRA-LOW DISTORTION: Designed for entry-level listeners and enthusiasts in search of a refined feature set, a single-ended output and an all-new preamp output, which is perfect for connecting to powered speakers..
  • THX AAA TECHNOLOGY — THX’s legendary AAA technology delivers detailed amplification with next to no distortion, as well as three gain stages to drive headphones at all impedance levels. With everything you need and nothing more, you could say it’s the ONE..
  • CAREFULLY CALIBRATED GAIN: Select from three carefully calibrated gain stages to drive sensitive IEMs, high-impedance dynamic headphones, and everything in between. The Drop + THX AAA ONE transmits audio in its purest possible form to any pair of headphones..
  • PREAMP OUTPUT: Switch to an all-new preamp output and pair the Drop + THX AAA ONE with powered speakers or a power amp for crystal-clear preamplification..
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Rockville BLUAMP 90 Home Stereo Bluetooth Receiver Amp w/Mic+Phono+HDMI Input

  • ...echo for karaoke. Class D circuit with great sound quality. Selectable RCA aux/phono input to connect a record player or any analog audio device..
  • Optical input. HDMI input. (2) 1/4" Mic inputs for Karaoke with Echo control and mic volume control. (1) set of RCA Audio Outputs to connect to a subwoofer or another amplifier. Bass/Treble/Mic and Master Volume controls. Binding post speaker output terminals (2 pairs). Built-in Pre-Amplifier with low distortion. LCD Display ..
  • Frequency Response (±3dB): 22 Hz- 20 KHz. AUX Input Impedance: 10k Ohms. AUX Input Sensitivity: 300mV. Phono input impedance: 47K. Phono input sensitivity:20mV. Output Impedance: 4-8ohm. Total Harmonic Distortion(THD): ≤0.5%. Signal-to-Noise Ratio(S/N): ≥78dBA. Bluetooth Version: 5.0. USB : Supports WAV/MP3/WMA. 110-240V.
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SGPRO Active Direct Box, Recording Signal DI Box for Musical Instruments as Guitar, Bass Guitar, and Keyboard Live Performance or Studio, 1/4" to XLR, Ground Lift 48V Phantom Powered Compact Unit

  • ENSURE GREATER SOUND QUALITY: The active direct box reduces the impact on sound quality due to unmatching signals from musical instruments with different impedances..
  • MATCHING IMPEDANCES: The direct box turns the high impedance signal into a low impedance signal for live performance, recording, or broadcasting..
  • EXTRA GAIN FOR LONG DRIVING CABLE RUNS: The active DI box is 48v phantom powered, which provides an additional gain to boost the weak output of some passive, single-coil pickups and extend long driving cable runs..
  • NOISE ELIMINATING: A switchable ground lift prevents current from flowing between the DI and the microphone preamplifier along the shielding, breaking the ground loop and eliminating this noise. It also reduces the noise from using long wires and cords..
  • PREVENT EXCESSIVE GAIN: The direct box comes with switchable pad (-12 dB) to prevent excessive gain from overloading the circuitry to accommodate the high output of active pickups and unbalanced line-level equipment such as keyboards and electronic instruments..
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Sundown Audio Salt Series Monoblock Digital Class-D Amplifier (Salt-2 2000W Rms)

  • Features: Monoblock Class D Amplifier. Power Handling: Maximum Output Power at 14.4V DC 1-Ohm: 3000W RMS | Maximum Output Power at 14.4V DC 2-Ohm: 2025W RMS | Maximum Output Power at 14.4V DC 4-Ohm: 1140W RMS. Input Sensitivity: 200MV, Signal-to-Noise Ratio: 86dB, Frequency Response: 10Hz-20kHz (-3dB)..
  • Crossover: High Pass Filter: 15 to 80Hz (-12dB/8) Variable | Low Pass Filter: 80Hz to Full (-12dB/8) Variable. Bass Boost: 0 to 12dB (50Hz), Thermal Management: Smart Cooler (Fan Powered by Temperature or Audio with 3 Speeds), Input Impedance: 56K-Ohms, Protection System: Output Short/High/Low Supply Voltage/Thermal Protection, Minimum Supply Voltage: 9V DC, Maximum Supply Voltage: 16V DC, Dimensions: TBA..
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Fluance PA10 High Fidelity Phono Preamp (Preamplifier) with RIAA Equalization for MM Turntables/Vinyl Record Players

  • It is not only a phono preamp but also a headphone amplifier, and it supports both Moving Magnet (MM) and Moving Coil(MC) cartridges, you can achieve many functions with it.
  • Exceptional signal-to-noise ratio and very low distortion bring high quality sound and make you feel the original audio.
  • High-end design and making technology, mini compact size makes it convenient to be carried and full-metal casing feels texture.
  • LINE OUTPUT will be auto off if the headphone jack is connected. Turntable GND cable must be connected to T12's GND jack, and the background noise can be greatly decreased if T12's GND jack is connected to the ground.
  • T12 will not work well if your turntable has built-in preamp. Avoiding noise please keep T12 away from cellphones, routers and other signals. The sound will not loud if you MC cartridge is with low impedance and voltage output, it is more suitable for MC cartridge whose impedance is not less than 100Ω.
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Sundown Audio SAE-2000D V.3 Monoblock 2000W RMS Digital Class D Amplifier SAEv3-2000D

  • Features: Monoblock Class D Amplifier. Power Handling: Maximum Output Power at 14.4V DC 1-Ohm: 3000W RMS | Maximum Output Power at 14.4V DC 2-Ohm: 2025W RMS | Maximum Output Power at 14.4V DC 4-Ohm: 1140W RMS. Input Sensitivity: 200MV, Signal-to-Noise Ratio: 86dB, Frequency Response: 10Hz-20kHz (-3dB)..
  • Crossover: High Pass Filter: 15 to 80Hz (-12dB/8) Variable | Low Pass Filter: 80Hz to Full (-12dB/8) Variable. Bass Boost: 0 to 12dB (50Hz), Thermal Management: Smart Cooler (Fan Powered by Temperature or Audio with 3 Speeds), Input Impedance: 56K-Ohms, Protection System: Output Short/High/Low Supply Voltage/Thermal Protection, Minimum Supply Voltage: 9V DC, Maximum Supply Voltage: 16V DC, Dimensions: TBA..
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TENEALAY 2 Way Audio mixer 3.5mm Un-powered mixer, 2 to 1 Stereo aux 3.5mm line levels control Box mini passive mixer X21

  • >> Stereo 2 input / 1 output: It can connect 2 audio inputs at the same time. Each track has an independent volume adjustment knob, which can be output by headphone and speaker..
  • >> The perfect way to listen to music and mix multiple sound sources incl. smart phones, tablets, computers, MP3 players, CD, etc..
  • >> The unit may also be used as a 1 in 2 out stereo splitter box when all controls are turned completely clockwise.
  • >> Ultra-small mixer: Easy to carry and operate and mix multiple sound sources without limitation and boundary.
  • Plug and play, no power supply required, small size, easy to place, suitable for your desktop and office..
  • >> Note:This passive product does not need power supply, and there is no internal amplifier circuit compensation, so the output will be attenuated (high impedance load attenuation is small, low impedance load attenuation is large).
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High Speed Comparator High Speed Frequency Meter Front Shaping Comparator for Low-Voltage Applications Conversion Circuit

  • LOW VOLTAGE APPLICATIONS -- The input common mode range is better than the swing input, which is very suitable for low voltage applications..
  • APPLICATION -- Digital module can be used for wide voltage range and periodic signal shaping..
  • FRONT END ADJUSTMENT -- Used as a front end conditioning module in time domain measurements for frequency and phase difference..
  • PARAMETER -- The input voltage is 10 to 1000mV, the input frequency is about 200MHz DC, and the input impedance is 50 ohms..
  • RAIL TO RAIL OUTPUT -- The output level mode is rail to rail output, which can directly drive TTL / CMOS level..
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Diamond Audio MICRO4V2 4-Channel 600 Watts RMS Class D Amplifier

  • ... Distortion - THD 4 (1KHx @ 4Ω): 0.5% | S/N Ratio (A weighted @1W): -85dBA | S/N Ratio (A weighted @FP): -101.1dBA | Input Sensitivity - Low Input Level: 200mV - 10.0V | High Input Level: N/A | Input Impedance - Low Input Level: 20KΩ | High Input Level: 20KΩ.
  • Output Stage - Output Impedance: 0.018Ω | Damping Factor ([email protected]Ω): >70 | Bandwidth (-3dB): 10Hz - 35Hz | Crossover (-12dB/Oct) | Variable High-Pass: 40Hz - 400Hz | Variable Low-Pass: 40Hz - 400Hz | Variable Sun-Sonic: N/A | Fuse Ratings: 40A | Dimensions: 9.07” L x 4.0” W x 1.46” H.
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