Reviews Low Noise Level

Thermaltake Smart 80PLUS Standard Series PC Power Supply Unit

  • By incorporating several high-quality components, the Smart series (models are rated at 500 W to 700 W) saves energy through its high efficiency of up to 86% and adapts to any conventional construction with the most demanding requirements.
  • An integrated smart cooling fan offers excellent airflow at an exceptionally low noise level. In addition, the + 12V single rail design enables continuous use with stable and reliable performance..
  • The Smart series adopts a 120mm cooling fan that provides excellent airflow at an exceptionally low noise level..
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Fool 4 You

  • 【Converts MM Turntable Signals】: BOX X1 compact ultra-low noise phono preamp converts phono signals to line-level signals. Designed with a....
  • 【MM Phono Preamplifier with DC12V Power Adapter】: Output Voltage Level: 2V max (P-P) at 10K Ohms, SNR: 70dB, THD: ≤0.08% @ 1kHz and 3mV,....
  • 【RCA Output & 3.5MM Headphone Output】: BOX X1 supports MM turntable input, 3.5MM headphone output, and RCA line output for powered speakers. You....
  • 【Amplify Vinyl Records to Interface with Your Home Stereo System】:The built-in low noise phono preamp circuitry is highly accurate and precisely....
  • 【What You Get】: BOX X1 phono preamp x1, 12V power adapter x1, User manual x1, our worry-free 18-month warranty, and friendly customer service..
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Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL Meter 30dB to 130dB MAX Data Hold with LCD Display Backlight A/C Weighted for Home Factories

  • 【Accurate Measurement】 The measuring range of the sound level meter is 30dB to 130dB . Highly accurate with ± 2.0 dB. Real-time monitoring can give you accurate data on the sound level in the area..
  • 【A/C Weighted Measurement】 The A weighted simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise. The C weighted simulates the frequency properties of high-intensity noises of the human ear, which are suitable for the sound pressure analysis of machine motors and machines. More professional measurement methods provide users with a more perfect user experience..
  • 【Fast and Slow Measurement】 The sound level meter has the function of converting the fast and slow response rate. The fast response rate uses a time constant of 0.125s/time for general environmental measurement. The slow response rate uses a 1s/time constant, which is used for environmental measurements with relatively large changes in noise levels..
  • 【Digital LCD Display 】 The digital display is a 4-digit LCD display with a resolution of 0.1 dB. Large backlit LCD digital display, the reading effect is clearer in dark places. When the battery is low, the LCD display will display a low voltage icon, indicating that ....
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3 - AC-RBC-5 SpacePak PurePak Air Cleaner Replacement Compatible Filter Size 14.5x36.5 White

  • The product surface is made of high quality ABS material, stable air output, and durable.
  • This air pump is widely used in generator, oxygen generator, negative ion air freshener, and other fields..
  • Oil - free lubrication design, production of more pure compressed air..
  • Very low vibration, low power consumption, continuous operation, long life..
  • Noise level is 30 db, when working continuously, the noise level is below 30db..
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Arctic F9 PWM PST - Value Pack (5pc) - Standard Low Noise PWM Controlled Case Fan with PST Feature

  • Innovative DESIGN enables quiet and efficient ventilation: The innovative design of the fan blades improves the air flow and facilitates a highly efficient ventilation. The impeller was designed with a focus on minimzing the noise level yet delivering the desired airflow and pressure. Air flow – 43 CFM. Noise level – 0.3 sone.
  • Perfect case fan regulation with PWM: the PWM function allows the motherboard to run the fan precisely at its necessary speed. This guarantees the required cooling and minimizes the noise level.
  • Pwm Sharing Technology (PST) lowers noise: The PST assures That all of your fans listen to one control signal. E.G. You share the CPU cooler’s PWM signal and assure that your case fans stand down at low load and spin up whenever necessary.
  • Long service life: The fluid Dynamic Bearing comes with an oil capsule that avoids lubricant leakage. Thus this bearing is as quiet as a sleeve bearing but comes with a significantly higher service life.
  • Fan controller Made in Germany: The Arctic F8 PWM PST fan is well known for high airflow at a comfortable noise level. The real improvement is the motor and controller. Our German engineers made this fan work at lower speed When performance is not needed.
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DC Audio LVL3-M2 12' Level 3 900W/1800W Dual-2-Ohm Car Audio Subwoofer/Sub

  • ...ported KEMET speaker capacitor, large-capacity filter capacitor for channels. Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module..
  • High Performance: the class D power amp module is with high efficiency of over 90%, general harmonic distortion noise is less than 0.2%, low quiescent current and noise suppression..
  • Safe Protection: the 2 channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection, overcurrent protection, overvoltage protection, undervoltage protection.
  • Additional Function: it is available to connect external mute function (MUTE: High level mute, factory default low level).
  • available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory defaults high electricity level..
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Audio Amplifier Board, DROK 5W+5W Mini Amplifier Board PAM8406 DC 5V Digital Stereo Power Amp 2.0 Dual Channel Class D Amplify Module for Speaker Sound System DIY

  • ...ty filter capacitor for channels. Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module..
  • High Performance: the digital amplifier module is with high efficiency of over 90%, general harmonic distortion noise is less than 10%, low quiescent current and noise suppression..
  • Safe Protection: the class D dual-channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection.
  • Additional Function: it is available to connect amplifier type to choose different function (MODE: high electricity level is Type D, low electricity level is Type AB. Factory defaults high electricity level).
  • available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory default high electricity level..
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VLIKE Noise Sound Level Meter, Digital Decibel Meter with LCD, Audio Measurement 30 dB to 130 dB, DB Meter with A and C Frequency Weighting for Sound Level Testing

  • The Mini Handhold Digital Sound Level Reader is compact, lightweight,easy to use,it is not only extremely wear-resisting, but also elegant.
  • Features with backlight feature,it is appropriate for gathering the sound date at night. And backlight auto power off function is provided, high-reliability and well-designed high-efficiency power supply circuit make the battery more durable.
  • This Audio DB Meter complies with IEC651 Type 2 and ANSI S1.4 Type 2,with the measuring scope from 30 to 130 dB and automatic shifting function, A and C Frequency Weighting mode selection. With Maximum(MAX) locking function and High speed(FAST)/Low speed(SLOW) response rate selection.
  • It could be called as DB reader, phonometer or SPL meter,accumulate sound level value data for noise dosimeter, can be used as a noise monitor testing sound intensity to reduce Noise pollution,avoiding the risk to hearing damage.
  • The Noise Level Meter is an instrument used to measure the ambient sound level,such as sound level around factories, workshops, schools, residential, offices, road, audio etc.It also can be appropriate for noise engineering,product quality control,health prevention and treatment,etc.
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Frigidaire FFFU16F2VW 28

  • 【Compact Freezer & Space Saving】Measures: 20.5”(W)*22.2”(D)*32”(H), 3.0 cubic compact freezer space-saving design allows you to put it anywhere in the kitchen, home or office..
  • 【Temperature Setting】Adjustable 7-grade temperature control on the back of freezer to select your desired temperature. Can be controlled from -7.6℉ to 6.8℉ (-14℃ to -22℃)..
  • 【Reversible Door & Adjustable Feet】Reversible door allows you to put it anywhere in the room. Adjustable leveling legs offers adjustable level and height..
  • 【Low Noise & Energy Saving】Less or equal to 40dB, with lower noise level, you could hardly feel it. Using R600a high efficiency and low energy consumption compressor, this freezer can cool quickly..
  • 【Specification】Voltage (V): 115V/60Hz, Watt (W): 90W (energy saving)..
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LZSIG Headphone Amplifier 4 Channel Metal Stereo Audio Amplifier,Mini Earphone Splitter with Power Adapter,1/4\ & 1/8\ Balanced TRS Headphones Output and TRS Audio Input for Sound Mixer,DC 12V-LHA1

  • 4 CHANNEL STEREO HEADPHONE AMPLIFIERS - Ultra-low noise output 4 channel high power stereo amplifier with output level control for each channel，compatible with 3.5MM and 6.35MM headphones（No converter adapter required）.Suitable for 50mm driver 32~100Ω headphones,can power up to four pairs of headphones and up to four independent volumes.
  • ULTRA-LOW-NOISE - This headphone amplifier systemcircuit is designed to be anti-crosstalk and is ideal for splittering up to 4 audio signals or headphones.Equipped with GND nuts to effectively reduce interference noise.Enjoy a ultra-low noise monitor distribution and music system.
  • S/M MODE - Stereo/mono switch button to switch freely according to the type of input audio.Compatible with 1/4" TS and TRS plugs.Ultra-compact headphone amplifier system for studio and stage applications.
  • FOUR INDEPENDENT LEVEL CONTROL - LZSIG headphone amp features high fidelity analog circuitry, high power output, great dynamics, and low distortion sound quality! When you and your friends share a source, each can independently control the volume of the headphones. interference noise.
  • SATFTY AND STABILITY - Powered via the included 12V AC adapter.Heavy-gauge steel material that ensures safety and sound quality as an audio dispenser whil....
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