Reviews Low Output Noise

FiiO E9 Desktop Headphone Amplifier and Dock for E7 USB DAC

  • Two channel power output, with jacks for both 1/8(3.5mm) and 1/4(6.35mm) headphones.
  • TI TPA6120 current feedback power amp with low noise, low distortion and high switching rate.
  • Soft on/off with sealed relay protects power amplifier output.
  • Smooth and low noise ALPS sealed potentiometer for volume control.
  • Audio buffers using ultra-low distortion and low noise Burr-Brown OPA2134 op amps.
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Taidacent THS4131 Fully Differential Input/Output Low Noise Amplifier Module Single Ended to Differential Single Ended Input Double Ended Output

  • Name: THS4131 Fully Differential Amplifier Size: 45mm X 34mm Supply Voltage Range: 5V Single Supply ±15V Dual Supply.
  • This module can implement single-ended to differential, single-ended input, and double-ended output. Has high performance, low noise, wide power supply voltage range and other advantages..
  • The THS413x consists of a true fully differential signal path from input to output. This design produced excellent common-mode noise suppression wells that improved total harmonic distortion..
  • Chip features High performance 150 MHz - 3 dB bandwidth (VCC = ±15V) 51V/us slew rate -100dB third harmonic distortion (250kHz) 2. Low noise 1.3 nV/vHz Input Reference Noise Differential input/cent output Balanced Output Suppresses Common Mode Noise Reduce second harmonic distortion from dry differential output.
  • Wide supply voltage range VCC-5 V Single Supply to ±15V Dual Supply ICC (SD) = 860 u A Shutdown Mode (THS4130) Chip application Single-ended to differential conversion Differential ADC Driver Differential antialiasing Differential transmitters and receivers Output Level Translator.
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ACEIRMC 2pcs MAX9814 Electret Microphone Amplifier with Auto Gain Control for Arduino

  • 1.The MAX9814 is a high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone-bias-voltage generator and AGC control circuitry..
  • 2.A trilevel digital input programs the output amplifier gain. An external resistive divider controls the AGC threshold and a single capacitor programs the attack/release times..
  • 3.The low-noise preamplifier has a fixed 12dB gain, while the VGA gain automatically adjusts from 20dB to 0dB, depending on the output voltage and the AGC threshold. The output amplifier offers selectable gains of 8dB, 18dB, and 28dB. With no compression, the cascade of the amplifiers results in an overall gain of 40dB, 50dB, or 60dB..
  • 4.The MAX9814 is available in the space-saving, 14-pin TDFN package. This device is specified over the -40°C to +85°C extended temperature range. MAX9814: Simplified Block Diagram MAX9814: Simplified Block Diagram Enlarge+.
  • 5.A trilevel digital input programs the ratio of attack-to-release time. The hold time of the AGC is fixed at 30ms. The low-noise microphone-bias-voltage generator can bias most electret microphones..
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FiiO E9i Desktop Pre-Amp and Headphone Amplifier Dock for iPod and iPhone

  • Ultra low noise and low distortion with enough power output to drive 600Ohm headphones.
  • Two channel power output, with jacks for both 1/8"(3.5mm) and 1/4"(6.35mm) headphones.
  • Smooth and low noise ALPS sealed potentiometer for volume control.
  • Audio buffers using ultra-low distortion and low noise Burr-Brown OPA2134 op amps.
  • Dock connector for iPod and iPhone, also provides charging power.
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LANTRO JS RF WideBand Amplifier 433MHz 22dB High Gain Low Noise LNA Amplifier

  • 【Product Parameters】- Working Voltage: 3---5V.
  • Protect-----This strong heavy duty tool bag can protect your tools from water and dust.
  • 【Scope of Application】- The product can be applied to various RF receiving front ends, used for shortwave, FM broadcasting, remote control receivers, cable TV signal amplifiers and other RF signal amplifications that require low noise.
  • 【Excellent Performance】-The radio frequency amplifier is made of high-quality electronic components and has the advantages of high gain, low noise figure, etc.
  • 【Low Noise】- The noise factor is as low and 0.55dB, which is quite small.
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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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SMSL HO100 Balanced Headphone Amplifier 3000mW×3000mW RCA/XLR Input 6.35mm/4.4mm Balanced Headphone Output HiFi Home Audio Headphone Amp with Gain Control

  • ★ Selectable Inputs & Outputs: SMSL HO100 has XLR and RCA input modes.
  • 6.35mm (Unbalanced) and 4.4mm (Balanced) headphone outputs, which meet the needs of different headphones and Hifi systems..
  • ★ Three Gain Modes For Selection: Using the classic toggle switch rotary button, there are high, mid and low 3 gain mode for adjustment and meet different music style..
  • ★ High Power Output: 3W into 16Ω, 1.5W into 32Ω, which meet most headphones on the market. The amp output impendance near 0Ω..
  • ★ Ultra Low Distortion/Low Noise Design: The distortion of HO100 is as low as 0.000006%.
  • and it is designed with low noise power supply, so that the output noise is as low as 1.3uV (APX555B measured value, not equivalent.).
  • ★ A Perect Set with SMSL DO100 DAC: SMSL DO100 and HO100 have fully matched design languages and styles. The DO100 uses ES9038Q2Mx2 dac chips, supports PCM,DSD decoding..
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Topping PA5 Fully Balanced Power Amplifer 140w×2 TRS×2 Input Speaker Terminal Output Class D Power Amp HiFi Amplifiers (Black)

  • 【Fully Balanced Amplifier】The newly developed Class D amplification circuit uses multiple novel optimization techniques to fully push the performance and output power to the maximum. The new circuit provides crisp, clean and deep sound with completely inaudible noise floor. The fully balanced structure makes PA5 no more hum, no more noise, no more ground loop..
  • 【Distortion Is as Outstanding as DAC】.
  • 【High Output Power】PA5 could output 140W×2 at 4ohm load, 10% THD+N. In higher standard of THD+N of 1%, outout power will be 125W×2 at 4ohm load. The high output power and low distortion on load are sufficient for most speakers and applications..
  • 【Low distortion & Noise】Zero pop noise or thumping during turn-on or turn-off. Over-voltage, under-voltage, short-circuit, over-current, over-heat protection are complete..
  • 【PA5+E50+L50】This is a fully functional combination. When you need a more comprehensive system, we recommend a combination of PA5 power amplifier, E50 DAC, and L50 headphone amplifier. In this way, there are corresponding equipment from the digital audio s....
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1 pc OPA1611 Module Low Power Precision op amp Audio Dedicated Audio Amplifier

  • Name: Low Power Precision Operational Amplifier Audio Dedicated Preamp Size: 50mm X 50mm Supply voltage range: up to ±18V.
  • Can be arbitrarily changed to positive amplification, reverse amplification, shooting with the integration circuit and other forms. The OPA1611 is ultra-low noise and is a powerful audio system..
  • The main features Excellent sound quality Ultra-low noise: 1.1nv/vHz at 1kHz Ultra low distortion: 0.000015% 1kHz High conversion rate: 27V/H Bandwidth: 40MHz (G=+1) Open loop gain: 130dB Unity gain stability Low quiescent current: 3.6 per channel Rail-to-rail output Wide Supply Range: ±2.25V to ±18V.
  • Application Professional audio equipment Analog and digital mixing console Audio Test and Measurement Preamplifiers microphone Broadcast recording equipment High-end A/V receiver.
  • The opa1611 bipolar input op amps achieve a low 1.1nv/VHz noise density at ultra-low distortion Hz of 0.000015% at 1kHz. The opa1611 provide a rail-to-rail output swing with a 2K2 load at 600mV, thereby increasing headroom and maximum dynamic range..
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Reading Reflex: The Foolproof Phono-Graphix Method for Teaching Your Child to Read

  • 【Converts MM Turntable Signals】: BOX X1 compact ultra-low noise phono preamp converts phono signals to line-level signals. Designed with a grounding post to protect your turntable..
  • 【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, Frequency Response: Standard RIAA. Equipped with DC12V high-quality power supply..
  • 【RCA Output & 3.5MM Headphone Output】: BOX X1 supports MM turntable input, 3.5MM headphone output, and RCA line output for powered speakers. You can connect a power amplifier through the 3.5MM AUX or RCA output, then connect the passive speakers and enjoy high-quality music with headphones through the 3.5 mm headphone output. Note: RCA line output and AUX headphone output can be output simultaneously..
  • 【Amplify Vinyl Records to Interface with Your Home Stereo System】:The built-in low noise phono preamp circuitry is highly accurate and precisely conforms to the RIAA standard. Housed in a steel black anodized case, the BOX X1 gives you flawless audio reproduction in a rugged and reliable package..
  • 【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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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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UpBright 5V AC/DC Adapter Compatible with oneisall Pet Electric Clipper Pro Dog Shaver Low Noise Rechargeable Cordless Kits Grooming RY050100US LW-050100UL 5.0V 1000mA 1A Power Supply Battery Charger

  • (Fits oneisall Low Noise Dog Clippers. For oneisall: B01HRSZRXM, B07H9WJYK2 and B01LW145RS ) World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 Days Refund. 24 Months Exchange..
  • UpBright New Global 2-Prong 5V AC / DC Adapter Compatible with oneisall Professional Pet Electric Clipper Pro Dog & Cat Shaver Clippers Low Noise Rechargeable Cordless Kits Grooming Clipper one is all one-is-all one in all Low Noise Dog Clippers 5VDC 1A DC5V 1000mA 5.0V 1.0A Switching Class 2 Power Supply Cord Cable PS Battery Charger Mains PSU (w/ 2-Pin / 2Pin / 2Prong Connector).
  • Compatible with: Model: RY050100US Dong Guan Reyi Power Electronics Co., Ltd 5.0V 1000mA Class 2 Power Supply.
  • Model: LW-050100UL LW050100UL Yu yao Yuyao Langwei Electronics Factory 5.0V 1000mA Class 2 Power Supply.
  • Oneisall Dog Shaver Clippers Low Noise Rechargeable Cordless Electric Quiet Hair Clippers 26225202-003DE.
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Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer+3 Way Mono Crossover

  • Package Includes: (1) RockvilIe REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer With Sub-Output. (1) RockvilIe RX230 2 Way Stereo / 3 Way Mono Crossover with XLR Input and Output. Features: RockvilIe REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer With Sub-Output. Dual channel (31 bands per channel). Variable stage low and high cut filters. 1/3 octave filter sets (ISO centers). 20 Hz to 20 kHz effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range.
  • Output level LEDs (-10 to +17 dB). Bypass switch with status LED. Ground lift switch. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel. Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 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....
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