Best Low Noise Level

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..
Check Stock

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.
Check Stock

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)..
Check Stock

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....
Check Stock

HANSHAN Mini Portable Air Conditioner Fan, with 1H /3H /6H Timer, 3 Modes, Quiet, USB Air Cooler, 470ml Water Tank, Quiet Conditioner Humidifier，for Office Living Room Kitchen.

  • ❤Product size : 190 mm (height) x 145 mm (width), weight: 900 g. water tank capacity: 470ml，Voltage: 5V, Noise ≤32db. 3 Winds speed modes (High / Medium / Low)..
  • ❤Regular shutdown: 1 hours, 3 hours , 6 hours,Timer shutdown setting，Let you enjoy a good sleep..
  • ❤3 Adjustable Speed ：Three-speed air cooler could meet your different needs and be applied in various occasions..
  • ❤Ultra Quiet：This personal air conditioner can work powerfully at a low noise level, make you enjoy a comfortable sleep all night with suitable temperature and low-level noise..
  • ❤USB Powered: Equipped with a USB charging cable, it can be charged by cooperating with computers, notebooks, chargers, mobile power sources, etc. It is very convenient to carry, you can use it in the office, bedroom, living room, tent and other places..
Check Stock

HANSHAN Personal Space Air Conditioner Fan, with 6H Timer, 3 Modes, Quiet, Mini USB Air Cooler, 470ml Water Tank, Quiet Conditioner Humidifier, for Office Living Room Kitchen.

  • ❤Product size : 190 mm (height) x 145 mm (width), weight: 900 g. water tank capacity: 470ml，Voltage: 5V, Noise ≤32db. 3 Winds speed modes (High / Medium / Low)..
  • ❤3 Adjustable Speed ：Three-speed air cooler could meet your different needs and be applied in various occasions..
  • ❤Regular shutdown: 1 hours, 3 hours , 6 hours,Timer shutdown setting，Let you enjoy a good sleep..
  • ❤Ultra Quiet：This personal air conditioner can work powerfully at a low noise level, make you enjoy a comfortable sleep all night with suitable temperature and low-level noise..
  • ❤USB Powered: Equipped with a USB charging cable, it can be charged by cooperating with computers, notebooks, chargers, mobile power sources, etc. It is very convenient to carry, you can use it in the office, bedroom, living room, tent and other places..
Check Stock

Thermaltake Gravity i2 95W Intel LGA 1200/1156/1155/1150/1151 92mm CPU Cooler CLP0556-D

  • Support Intel LGA 1200/1156/1155/1150/1151.
  • Low Profile Design. Air flow - 31.343 CFM. Noise level - 21.3 decibels.
Check Stock

Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer+3 Way Mono Crossover

  • ... Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz.
  • Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dB. Level Control: +/- 10 dB. Signal to Noise: >93 dB. Distortion: 0.005%. Roll-off filters: 18dB/octave, Butterworth. Power Consumption: 15 watts. Weight Unpacked: 7.00 lbs. Weight Packed: 9 lbs. Width Packed: 5.87". Height Packed: 20. 5". Depth Packed: 9.62". Features of RX230: RockvilIe RX230 2-way Stereo / 3-way Mono rack mountable crossover.
  • Ability to mix 2 channels output. 24dB/Octave filters. Mute switches. Channel Gain Control: 0 to +12 dB. Low Frequency Level Control: -to +6 dB. High Frequency Level Control: -to +6 dB. Low Frequency to High Frequency crossover: 100Hz to 1 Khz x10 range: Changes . Low Frequency to Mid Frequency from (100 Hz to 1 kHz) to (1kHz to 10 kHz). Switchable 2-way stereo or 3-way mono operation. Subwoofer out. Subwoofer X-Over Freq ( 30Hz 200Hz ) adjustable. Subwoofer Gain -6 to +6 dB.
  • Specifications: Each output is -3 dB at the selected crossover frequency value. Outputs are essentially flat within their relative passbands. Distortion: Less than 0....
Check Stock

Decibel Meter, LONVOX Digital Sound Level Meter with 30 to 130 dBA Measuring Range, Backlit LCD Display, MAX/MIN Noise Measurement, Data Hold, SPL Meter for Classroom, Noisy Neighbor, Office, Factory

  • [Broad Measuring Range & High Precision] – LONVOX Decibel Meter features a highly sensitive and precise condenser microphone that is capable to measure noise levels from 30 to 130 dB with an accuracy of ±1.5 dB. The dB meter is A-weighted, which is ideal for the measurement of environmental noise, such as traffic noise, baby room noise, classroom noise, home theater noise, industrial noise, and so forth. The sampling rate is 2 times per second, which is ideal for dB tests in various contexts..
  • [Backlit LCD Display & Versatile Uses] – LONVOX sound level meter features a large backlit LCD display with 4 digits and 0.1 dB resolution, ensuring readouts are clearly visible, and easy operation in a low-light environment. When sound levels exceed the setup value, the backlit display will keep flashing as a visual alarm. Maximum or minimum dB level can be assessed by the sound meter. The data hold function can freeze the current readout of sound measurement based on personal needs..
  • [Ergonomic & Lightweight Design] – The sound pressure level (SPL) meter is light in weight and compact in size, which is easy to carry. The lightweight design allows long-time operation with less muscle fatigue. The compact design ensures the noise meter fits into your hand ....
Check Stock