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B0BLVQHNML Price: $35.33 Score: 1000.000 Category: Electronics Rating: 1 Votes: 1 Find similar products 7 Band Sound Equalizer, Output Input, 12dB High Bass Adjustment, Two Channel Digital Equalizer, 3.5mm Interface, for Recording, Streaming, Podcasting. Function:1. Control range: 7-band equalization circuit control range ±12 dB, equalization band: 60Hz, 150Hz, 400Hz, 1kHz, 3kHz, 6.5kHz, 15kHz, from TI or ST original TL074 composition.2. Basic parameters: 7 band sound equalizer preamp gain, 4580 classic op amp provides 5 times gain (14dB); Input impedance 20K, output impedance 600 ohms.3. Headphone Compatible: Sound equalizer ear amplifier part of NE5532, composed of Type 47 headphone driver circuit, easy to control all kinds of headphones, high and low.4. 3.5mm interface: The 3.5mm input interface supports a 4-pin plug, the output is connected to the headset with a microphone, which can be used on mobile phones for ordinary voice calls, and another terminal with a group interface is available. 5. Aluminum Alloy: The 7 band car sound equalizer is made of aluminum alloy, high strength, corrosion resistance, stable performance, DC5V 12V power supply, dual channel sound. Specification: Item Type : 7 Band Sound Equalizer Material: aluminum alloy Power supply: DC5V 12V Interface specification: 5.5x2.1 Input impedance: 20K Output impedance: 600 ohm Control range of Equalization circuit: ±12 dB Equalization frequency band: 60 Hz, 150 Hz, 400 Hz, 1 kHz, 3 kHz, 6.5 kHz, 15 kHz Usage: Remove the Product and use it Package List: 1 x 7 Band Sound Equalizer 1 x Stro msupply cable.	B08931PJD3 Availability: Currently unavailable Score: 8.065 Category: Electronics Rating: 4.3 Votes: 18 Find similar products Fanmusic Topping A90 Headphone Amplifier 4.4mm XLR Desktop HiFi Full Balanced Amplifier Pre-Amplifier Black. Full balanced + SE headphone output---A90 has three output headphone jacks of 4-pin-XLR，4.4 balanced and 6.35 SE to meet different usages. A90 is provided with a wide range of adaptation to headphones.---The SE 25Vpp / balanced 49Vpp high output voltage along with high output current & less than 0.1 Ohm output impedance, A90 is equipped with three gain settings of -9.5dB/ 0dB / 9.5dB for SE and -35dB / 6.0dB / 15.5dB for balanced. The noise of merely 0. 2uVrms makes A90 easily adapt to all types of headphones from extremely sensitive IEMs to most power demanding full sized over-ears. It's a great companion of active monitors stacked with D90 DAC when A90 work as pre-amp application. Contents list: A901 AC cable1 6.35mm to 3.5mm connector1 User manual1.
B09KVD5QQ1 Availability: Currently unavailable Score: 7.692 Category: Electronics Rating: 5 Votes: 2 Find similar products summina Portable 4-Way Headphone Amplifier Amp with 1/4 inch & 1/8 inch Inputs Outputs RCA Stereo Input Volume Control. Features: Portable headphone amplifier with four stereo 1/4 inch and four 1/8 inch headphone outputs. Stereo 1/4 inch and 1/8 inch jack and RCA stereo inputs(wired in parallel) can be connected to any line-level audio source. Built-in high quality potentiometers for each channel volume control. DC 5V power supply, can be powered by USB power adapter, power bank or computer USB port. With Stereo/Mono switch for selecting stereo or mono signal to be sent to the output channels. Compact size and full metal shell design, easy to carry around and durable to use. Specifications: Model: AHA04 Material: Metal Color: Black Input Connector: stereo 1/8 inch TRS jack, Stereo 1/4 inch TRS jack, RCA stereo connector Input Impedance: 22K ohm Max. Input Level: +22dB Output Connectors: stereo 1/8 inch TRS jack, Stereo 1/4 inch TRS jack Output Impedance: min. 16 ohm Max. Gain: 20dB/channel S/N Ratio: >98dB Frequency Response: 20Hz-20KHz THD:<0.01% Power Supply: DC 5V, >=1000mA via USB power adaptor Item Size: 11.3 * 7.3 * 5.9cm/ 4.4 * 2.9 * 2.3in Item Weight: 375g/ 13.2oz Package List: 1 * Amplifier 1 * USB Cable 1 * User Manual (English).	B07L5CRQ7T Price: $649.76 Score: 7.634 Category: Electronics Rating: 4 Votes: 18 Find similar products Reisong - BOYUURANGE A20 Hi-Fi Intergrated Amplifier KT88 Tube Single-end Class A 4ND VU Meter. You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specifications: Output Power: 8W * 2 (Ultra-linear connection) Frequency response: 20Hz-35KHz Output Impedance: 4,8Ω Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (three sets of input signal) Voltage amplification: Dawn 6J8PJ × 2. Power output tube: KT88 × 2. Rectifier tube: 5Z3PA-T × 1 Dimensions (W×D×H): 366×300 (including knob) × 185mm SNR: 89dB Weight: about 16.5 kg (114 power transformers, export version) Gross weight: 18kg Power Supply Voltage: AC 110V-120V/50Hz-60Hz(For United States） Features: With power tube current monitoring circuit, tube replacement upgrade ease. Medical grade 5Z3PA-T rectification. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000 Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design，not easy deformed. Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of ALPS potentiometer. Chassis: mirror stainless steel chassis.
B09137114Y Availability: Currently unavailable Score: 7.463 Category: Electronics Rating: 3.7 Votes: 3 Find similar products Burson Audio Playmate 2 Preamp/DAC/Headphone Amp. Measurement Package Content Input impedance: 38 KOhms Burson Playmate (P-171) IC Opamps for warranty diagnostic use. Frequency response: ± 1 dB 0 – 35Khz Remote Control (optional) hex key THD: <0.002% Power Supply 100-240V AC Output impedance (Head Amp): <2 Ohm Output impedance (Pre Out): 15 Ohm General Inputs: USB, Toslink Weight: app. 3Kg Outputs: RCA Pre-Amp / Headphone Jack Dimensions: 190mm x 150dimm x 60mm Impedance (Headphone Jack) Power Signal to Noise Ratio Separation 16 Ohm 3.5W 96db 99% 32 Ohm 2.5W 97db 99% 100 Ohm 600mW 98db 99% 150 Ohm 400mW 96db 99% 300 Ohm 150mW 95db 99.50% DAC Spec XMOS USB Spec Channel Separation: 128 dB @ 1KHz, 121 dB @ 20KHz Desktop OS: Win XP, 7, 8, 10 Mac OSX THD+N: 0.0018% @ 1KHz, 0dBFS Mobile OS: iOS* & Android (OTG support) PCM & DXD Support: PCM ≤ 768kHz up to 32bits Native DSD: Native DSD 64 / 128 / 256 / 512 DSD over PCM: DoP64 / DoP128 / DoP256 Asynchronous Isochronous.	B08H7N7NN6 Price: $149 Score: 7.407 Category: Electronics Rating: 4.4 Votes: 36 Find similar products Linsoul Topping L30II NFCA HiFi Headphone Amp Preamplifier with 3 Gain Settings, HPA/RCA/6.35mm Output, RCA Input, Volume Knob Control for Audiophile Musician (Blue). L30 II Amplifier Specifications THD+N@1khz(a-wt): <0.00006%@ Output=500mW(32Ω) ; <0.00005%@ Output=80mW(300Ω) THD @20-20KHZ 90KBW: <0.00008%@ Output=500mW(32Ω) ;<0.00007%@ Output=80mW(300Ω) SNR@ MAX OUT 1KHZ(a-wt): 144dB Dynamic Range@ 1KHZ(a-wt): 144dB Frequency Response: 20Hz-40kHz(± 0.05dB) Output Level: 14Vpp@ G = L; 31Vpp@ G = M; 37Vpp@ G = H AP measured noise level (a-wt): <0.7uVrms@ G = L; <0.7uVrms@ G = M; <1.5uVrms@ G = H Actual noise level * (a-wt): <0.3uVrms@ G = L; <0.3uVrms@ G = M; <1.4uVrms@ G = H Channel Crosstalk@ 1KHZ: 92dB Input sensitivity: <25Vrms@ G = L; <11.2Vrms@ G = M; <2.0Vrms@ G = H Gain: <-14.0dB@ G = L; <0dB@ G = M; <16.5dB@ G = H Output Impedance: <0.1Ω Output Power: 3500mW x2@ 16Ω THD+N<0.1%; 2700mWx2@ 32Ω THD+N<0.1%; 2000mW x2@ 64Ω THD+N<0.1% 560mW x2@ 300Ω THD+N<0.1% Load Impedance: >8Ω L30II Pre-Amplifier Specifications THD+N @1kHz (a-wt): <0.00006% THD @20-20kHz 90kBW: <0.00007% SNR @MAX OUT 1kHz (A-wt): 144dB Dynamic Range @1kHz (A-wt): 144dB Frequency Response : 20Hz-40kHz (± 0.05dB) Output Level: 14Vpp @G=L 31Vpp @G=M 37Vpp @G=H AP measured noise level (a-wt): <0.7uVrms @G=L <0.7uVrms @G=M <1.5uVrms @G=H Actual noise level* (a-wt): <0.3uVrms @G=L <0.3uVrms @G=M <1.4uVrms @G=H Channel Crosstalk @1kHz: -92dB Input sensitivity: 25Vrms @G=L 11.2Vrms @G=M 2.0Vrms @G=H Gain: -14.0dB @G=L 0dB @G=M 16.5dB @G=H Output Impedance:20Ω What’s in the Package? -1 x L30II -1 x AC adapter -1 x 6.35mm to 3.5mm converter jack -1 x Warranty card -1 x User manual Product Size：3.2cmx10.0cmx13.5cm.
B07QN7PHDM Availability: Currently unavailable Score: 7.246 Category: Electronics Rating: 4.4 Votes: 470 Find similar products Little Dot I+ 6JI X2 Tube Standard Hybrid Headphone Headphone Amp Pre-Amp Tube Amplifier (LDI+). 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 Power Output: 150mW @ 300 ohms 300mW @ 120 ohms 800mW @ 32 ohms User variable gain settings: 6.5x or 3.25x Power Consumption: 15VA Measurements: Metric: 180mm (L) by 97mm (W) by 100mm (H) English: 7.08 inches (L) by 3.81 inches (W) by 3.93 inches (H) Weight: 1.5 kg or 3.3 lbs. Available in Black Available in either 120VAC or 220VAC.	B017VXQR4G Availability: Currently unavailable Score: 7.143 Category: Electronics Rating: 3.7 Votes: 133 Find similar products SMSL Audio Sap-Vi Gold Headphone Amplifier, Gold. SMSL Audio Gold SAP-VI headphone amplifier Specifications: Input/output interface: standard 3.5 mm Input frequency:96 KHZ / 16/24 bit Signal-to-noise ratio: > = 92 db (A weighting) Distortion: <0.01 (10 mw) Frequency response:10-70 KHZ (0.3 db) Output power:32 ohm Po = 200 mw 1 KHZ THD + N 1% Headset adapter impedance:16 ohm - 300 ohm Machine size:188 X 73 X 25 mm (including bulge).
B07TZX1YB8 Price: $19.79 Score: 6.897 Category: Electronics Rating: 5 Votes: 1 Find similar products 2x100W TPA7498 High Power Dual Audio Stereo Digital Amplifier Board for Home Theater Active Speaker. Premium Quality 2x100W TPA7498 High Power Dual Audio Stereo Digital Amplifier Board for Home Theater Active Speaker Descriptions: 100% brand new and high quality Feature: TDA7498 is a 100 w + 100 w class D audio amplifier. The IC chip adopts the single power supply, mainly used in home theater and active speakers. The naked cooling pad up TDA7498 adopted EPU hyper-threading encapsulation. Using differential input to reduce common-mode noise significantly. It has the pattern of the fault and silent mode. With intelligent protection and overheating protection function. Amplifier Board only, other accessories demo in the picture is not included! Specifications: Item Type: Amplifier Board Size: 110x64x22mm/4.3x2.5x0.8in Input Voltage: DC14-32V Output Power: 100Wx2 Output Resistance: 4-8ohm Line Type: D types Chip: TDA7498 Harmonic Distortion: Po=1W/0.05% Frequency Response Range: 18-100KHZ Switching Frequency: 360KHz Signal to Noise Ratio: 110db Color: As shown in the picture. Quantity: 1 Pc Notes: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Amplifier Board.	B01K2ONK5U Availability: Currently unavailable Score: 6.897 Category: Electronics Rating: 5 Votes: 2 Find similar products POLSEN HMA-41 4-Channel Stereo Headphone Amplifier. The HMA-41 4-Channel Stereo Headphone Amplifier from Polsen features a durable, compact, and easy to use design for a variety of professional and project applications, including studio recording, band rehearsals, and more. It features a high-output level that allows for precise monitoring at high volume, while its low-noise circuitry ensures clear reproduction of your sound. Each of its four channels boasts independent volume control and amp circuitry, which allows for a wide frequency response of 20 Hz to 20 kHz for full-range stereo sound while assuring no signal loss when all 4 headphone outputs are used simultaneously. The unit features a 1/4 stereo TRS input, and four 1/4 TRS headphone outputs. To assure compatibility with a variety of headphones, Polsen includes four 1/8 to 1/4 adapters as well as a stereo mini cable that, when used with one of the included adapters, allows you to connect a device with a 1/8 output. Durable, compact, and easy to use High output level for precise monitoring at high volume Low noise circuitry Four headphone jacks each with independent volume control Wide frequency response (20 Hz to 20 kHz) for full-range stereo sound No loss of signal when all four headphones are connected Includes 5 ft (1.5 m) stereo mini cable for connecting devices with 1/8 output (use included 1/4 adapter) SPECIFICATIONS Channels: 4 Frequency Response: 20 Hz to 20 kHz Input Connections: 1x 1/4 (6.3 mm) TRS master input Output Connectors: 4x 1/4 (6.3 mm) TRS headphone outputs Maximum Input Level: +14 dBV Maximum Output Level: 20 dB per channel Input Impedance: 100 kΩ, unbalanced Output Impedance: 51 Ω, per output Signal to Noise Ratio: >90 dB THD: <0.008% Power: 12 V DC, 150 mA Dimensions (L x W x D): 3.9 x 3.2 x 1.2 (100 x 80 x 30 mm) Weight: 9.6 oz (272 g).