About op-amps part 2: audio test
Best Audiophile Op Amp on April 2024 Shopping Deals at Bestonio.com
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ASUS Sound Card Essence STX II
- UPC: 801940483034
- ASIN: B00ONSBF4K
- Brand: ASUS
- Manufacturer: Asus
Four years after the debut of Essence STX - the long-term holder of the number-one position in Head-Fi's Sound Cards segment, as voted by highly-satisfied users globally - ASUS remains committed to delivering ever better high-end sound cards to delight the most demanding audiophiles. Drawing on years of experience in developing Essence One, Essence... [Read More]
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Nobsound Mini Dual TPA3116 Digital Power Amplifier HiFi Stereo Amp Audiophile-Grade 2.0 Channel 100W×2 NE5532P Pre-Amp (Black)
- ASIN: B07548PWQQ
- Brand: Nobsound
- Manufacturer: Nobsound
Power supply: Power range: 8-25V (compatible with most laptop power supplys) Interface：outer diameter 5MM，inner core 2.1MM We recommend using 17-22V power supply. Power supply voltage: 12V ------- 8 Ohm speaker / 12W (left channel) + 12W (right channel), 4 ohm speaker / 20W (left channel) + 20W (left channel) 15V ------- 8 ohm / 18 + 18W, 4 o... [Read More]
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Vacuum Tube Headphone Amplifier Tube Amp Mini Hi-Fi Stereo Audio Preamplifier with Low Ground Noise Output Protection for Headphones - Fosi Audio P2
- ASIN: B07RQTKVM1
- Brand: Fosi Audio
- Manufacturer: Fosi Audio
Specifications: Tubes: 6J4 × 2 OP-amp: NE5532 Audio Input: 3.5mm Audio jack, Stereo L / R RCA Audio Output: 6.35mm Headphones Maxpower output: 600 mW / 62Ω, 900 MW / 32Ω, 1 W / 16Ω Frequency range: 20Hz-20 kHz (± 3dB) THD: ≤0, 03% Matching headphone impedance: 32-600 Ω NR: ≥ 95db Operating voltage: DC12V Input sensitivity: 0.2mV Dimension... [Read More]
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FiiO E10K USB DAC and Headphone Amplifier (Black)
- UPC: 701980441950
- ASIN: B00LP3AMC2
- Brand: FiiO
- Size: regular
- Manufacturer: FiiO
The E10K USB DAC high resolution Headphone Amplifier from Fiio is customizable and designed to improve your laptop's audio output quality via its PCM5102 DAC chip and is capable of handling PCM files in up to 24-bit, 96 kHz resolution. It features a selectable bass boost and low-pass filter, both with circuitry optimized for a low noise floor when ... [Read More]
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Syba Sonic SD-DAC63106 Stereo 3 Band Tone Control Pre-amp and Headphone Amplifier
- UPC: 804904085770
- ASIN: B00TYYMHQS
- Brand: Syba
- Size: NA
- Manufacturer: Syba
The SYBA SD-DAC63016 3 band tone control Pre-Amp with built in headphone amplifier is different from many audiophile designs for its unique 3-band "Tri Tone" equalizer while most of the Hi-Fi equipment has forgotten for many years. The Tone Control allows the audiences to master their song back to "Original" even they are playing with a lower quali... [Read More]
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Tascam US-4x4 USB Audio/MIDI Interface with Microphone Preamps and iOS Compatibility
- UPC: 490703412444
- ASIN: B00MIXF1JW
- Brand: Tascam
- Size: US-4X4
- Manufacturer: Tascam
TASCAM's US-4x4 combines great audio quality and ergonomic design for a powerful 4-in/4-out USB 2.0 interface. Four of TASCAM's Ultra-HDDA mic/line preamps provide up to 57dB or gain with nearly inaudible noise and distortion specs. The audio design features high-performance, musical components like NE5532 op amps for rich sound quality without col... [Read More]
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TOPPING D10 Mini USB DAC CSS XMOS xu208 es9018k2m opa2134 Decoder Audio Amplifier
- UPC: 651312006992
- ASIN: B07B46KQVP
- Brand: Topping
- Size: D10
- Manufacturer: TOPPING
Measured:10.3cm x 14.6cm x 3.7cm Weight:314g Power supply:DC5V/0.5A IN:USB Digital output:Digital output Digital output:AUX LINE OUT RCA LINE OUT RCA: SNR:115dB at 1kHz Frequency Response:20Hz-20kHz(0.1dB) OutPut Level:2Vrms@0dBFS Noise: Crosstalk:-115dB @1kHz Balance:0.1dB Output Impedance:100ohms USB IN:44.1kHz-384kHz/16Bit-32Bit、DSD64-DSD256(N... [Read More]
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Little Dot I+ 6JI X2 Tube Standard Hybrid Headphone Headphone Amp Pre-Amp Tube Amplifier (LDI+)
- UPC: 790996171524
- ASIN: B00A2QM5O6
- Brand: AIMPIRE
- Size: 10
- Manufacturer: AIMPIRE
Input: Gold Plated Unbalanced (RCA) Jacks Output: 1/4" Gold Plated Stereo Headphone out Tube Options: 6JI standard Frequency Response: 10HZ ~ 50KHz (minus3 dB) THD plus N: 0.2 percent: 1Vrms @ 1000Hz 0.6 percent: 3Vrms @ 1000Hz 1.0 percent: 5Vrms @ 1000Hz Signal to Noise: 92dB Suitable Headphone Impedance: 8 ~ 600 ohms Input Impedance: 50K ohms Pow... [Read More]
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Fiio E17K ALPEN 2 USB DAC Headphone Amplifier
- UPC: 091037936936
- ASIN: B00RPD7KP8
- Brand: FiiO
- Manufacturer: Fiio
The FiiO E17K is a portable headphone amplifier and digital to analog converter (DAC). The E17K has a built in rechargeable lithium battery and USB charger, allowing you to charge on your PC or with a USB adapter. The E17K has fewer buttons on the front than that of its predecessor the E17. The FiiO E17K has a new multi-functional wheel that respon... [Read More]
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TOPPING D30 DSD Audio Decoder USB Coaxial Optical Fiber XMOS CS4398 24Bit 192KHz Decoder
- UPC: 606034991781
- ASIN: B06XKS9W8T
- Brand: Topping
- Manufacturer: Topping
TOPPING D30 DSD Audio Decoder USB Coaxial Optical Fiber XMOS CS4398 24Bit 192KHz Decoder
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Bravo Audio V1 Tube Driven Headphone Amplifier
- UPC: 610027012650
- ASIN: B00A2QKTLW
- Brand: Bravo Audio
- Manufacturer: Bravo Audio
Input power: DC24V. Input sensitivity: 100mV. Input impedance: 100KOhm. Output impedance: 20~600 Ohm. Gain: 30dB. Frequency response: 10Hz-60KHz +/- 0.25dB. Signal/noise ratio: >90dB . Dynamic range: 84.6dBA(300 ohm) 89.8dBA(33 ohm). THD: 0.016%(300 ohm) 0.45%(33 ohm). IMD + Noise: 0.045(300 ohm) 0.42(33ohm). Dimension:79mm (D) X 79mm (W) X 44mm (H... [Read More]
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Nobsound 2 Channel Bluetooth 4.2 Amplifier , Class D Stereo Audio Amplifier , Mini Home Theater Power Amp , Digital Power Amplifier Receiver , 200W (100W x 2) , Treble & Bass Control (NS-15G)
- ASIN: B07DPKSKVQ
- Brand: Douk Audio
- Size: Bluetooth 4.2
- Manufacturer: Nobsound
Parameters: Brand: Nobsound Color: black Chip: TPA3116*2 OP-amp: NE5532 Size: 90 * 108 * 36 mm / 3.54 * 4.25 * 1.42 in Net Weight: 355 g / 0.78 lb Output Power: 200W (100W * 2) Channel: 2.0 Power Range: DC12V-24V THD: ≤ 0.5% SNR: ≥ 95dB Frequency Range: 10Hz -40kHz Packing List: 1* Digital Power Amplifier 1* Power Adapter
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Subwoofer Amplifier Receiver 100Watt Mini Hi-Fi Digital Class D Integrated Stereo Audio Amp for Sub Bass + Power Supply TP-01
- ASIN: B07942M4MC
- Brand: Fosi Audio
- Manufacturer: tp-01
Quick tips:1. Please plug the power cord into the amp THEN the wall, plug the audio cables into amp THEN switch on.Some customers may see some slight sparks flying when they plug the power supply into the amplifier, because they use it in wrong way, you need to connect the amp to the power supply first, then plug the power supply into the 110v AC... [Read More]
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![ONKYO Portable Headphone Amplifier DAC Equipped with Black DAC-HA200(B) [Japan Impot]](https://images-na.ssl-images-amazon.com/images/I/41xSDsL24TL.jpg)
ONKYO Portable Headphone Amplifier DAC Equipped with Black DAC-HA200(B) [Japan Impot]
- ASIN: B00L5H6B3C
- Brand: Onkyo
- Manufacturer: ONKYO
Portable headphone amplifier Onkyo's first music of your favorite high resolution sound source to play high-definition. And continue to have the desire to want to deliver more and more people the sound leading to the impression, Onkyo, we have been developing audio products of high quality for over 60 years. And we have a full-scale entry into the ... [Read More]
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![Linkwitz-Riley 2-Way Active Crossover, Fully Assembled [XOVER-2] (Unbalanced)](https://images-na.ssl-images-amazon.com/images/I/51G8qoCwv5L.jpg)
Linkwitz-Riley 2-Way Active Crossover, Fully Assembled [XOVER-2] (Unbalanced)
- UPC: 712392628747
- ASIN: B00FD21I4C
- Brand: Xkitz Electronics
- Manufacturer: Xkitz Electronics
Bi-Amping your speakers is the single most powerful, low cost, and simplest way for audio enthusiasts to reach the realm of true audiophile quality. The XOVER-2 is a board level product ~ but if you're looking for a fully integrated plug-n-play active crossover, check out the K231 Stereo 3-Way Active Crossover 2-way Active Crossover - Splits the hi... [Read More]
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FiiO X5 High Resolution Music Player (2nd Generation)(Titanium)
- ASIN: B00ZWAC25E
- Brand: FiiO
- Size: 2.5 x 0.6 x 4.3 inches
- Manufacturer: FiiO
High Resolution Music Player
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Beethoven: Complete String Quartets
- UPC: 825646392735
- ASIN: B0057JWVKQ
- Brand: EMI CLASSICS,BOX CLASSICA,
- Manufacturer: Erato Disques
This 2011 box set from the Artemis Quartet marks Virgin Classics' first complete cycle of Beethoven String Quartets. Over the past two seasons, the Berlin-based Artemis Quartet has been performing Beethoven around the world. The New York Times hailed them as "one of the most impressive of the new generation of string quartets," and has described th... [Read More]
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Nobsound CSR64215 + ES9023 + AD823 Mini DAC Hi-Fi Lossless Digital Bluetooth 4.2 Audio Receiver Apt-X Suitable for Headphones, Amplifiers and Active Speakers
- ASIN: B077D54XF6
- Brand: Douk Audio
- Manufacturer: Nobsound
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Douk Audio Q3 DAC Digital to Analog Converter Decoder USB/Coax/Opt Headphone Amp
- ASIN: B07TMYY8XR
- Brand: Douk Audio
- Manufacturer: Nobsound
Features: Q3 is a digital to analog converter with PC-USB/Optical/Coaxial input and RCA/6.35mm headphone output, which can used with laptop, desktop computer, mobile phone(with OTG function), TV, Apple TV, DVD/Blu-Ray player or CD player and so on, meeting different requirements of home stereo audio system. PC-USB is plug-and-play, no need for any ... [Read More]
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Topping D10 PC USB Amplifier, Mini USB DAC CSS XMOS XU208 ES9018K2M OPA2134 Decoder Audio Amplifier (D10 Silver)
- ASIN: B06X9MB1XW
- Brand: AIMPIRE
- Size: D10 Silver
- Manufacturer: AIMPIRE
Specification Dimension: 10. 3cm x 14. 6cm x 3. 7cmWeight: 314gPower supply: DC5V/0. 5A (USB powered)Input: USB Digital Output: Coaxial/ OPT Analog Output: Line Out Parameter THD+N @A-weighting: 0. 0008% @ 1kHzSNR @A-weighting: 115dB at 1kHzFrequency Response: 20Hz-20kHz(0. 1dB)Out Put Level: 2Vrms@0dBFSNoise: Crosstalk: -115dB @1kHzBalance: 0. 1dB... [Read More]
About op-amps part 2: audio test
Burson V6 Opamps Audio Review
Next Level Sound - Burson V6 Opamps Audio Review
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