If amplifier circuitry
Elenco if amplifier circuitry
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100w(subwoofer)quantità: 1 pzil pacchetto include:1 x amplifier boarddomanda e risposta:1specifica:item type: amplifier boardmodel: zk-tb21materiale: componenti elettronicicolore: blackversione bluetooth: 5if you only have 12v 1a, you can have 3-4 inch speakersif you are above 19v 5a, no problem with 8-10 inches, power must be highly valuedif the voltage is too low and the sound is amplified, it will easily cause sound distortionif you only have 9v12v or 1a 2a power supply, you can also use it but with low powerif the current is too low and the horn cannot be brought up, the voltage will be pulled down, which will lead to abnormal operation or poor sound qualityhow to choose the power supply?the power supply with the board is very key, the selected power supply ripple must be small, ripple large power supply will lead to power amplifier bottom noise, there is a current soundwhen using it, choose the volume close to the maximum, which may cause distortion and affect the sound qualitythe higher the voltage, the higher the current, and the higher the power outputit is recommended to use 18v19v24v power supply with current above 5a0 (nessuna schermatura, 10 m)sensibilità di ingresso: 500 mvingresso audio: aux+bluetoothchannel: 250w(r and l channel), max1chip: tpa3116d2(with am anti-interference function)power: dc12-24v/5aadapter speaker: 20-100w, 4-8ωoutput power: maxhow to select speakers?about the speaker type: commonly used speakers are generally 4-8 ohms
Italia
21290000915527344 €
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1 amplifier boardthree items for you to choose:shell: con il guscio only (non include il audio amplifier board)con bluetooth: il audio amplifier board supportos funzione bluetooth(not includes the shell)conout bluetooth: il audio amplifier board does non supporto funzione bluetoothis the use of the united states ti company tpa3116d2 high-performance digital amplifier chip as the core, a parallel bridge subwoofer output, do a left and right channel output(please make sure the type box is selected, prices vary widely, so as not to cause unnecessary misunderstandingcon bass, left and right channel volume adjustment, treble adjustment, the total volume potentiometer control 2wide operating voltage, power-saving design, efficiency up to 90%use dc power supply: 12-24v power supply, maximum supporto 50w (left channel) +50 w (right channel) +100 w (bass channel) three-channel outputboard is a good test of the finished product board is welded, according to figure connected to a good speaker, audio input or connect the bluetooth audio device and connected to the power can be usedsuggerimenti:if y):caratteristiche:this is a supporto bluetooth 5(not includes the shell)ilre are 3 options for you to choose, please click the type option to take a orderyou can use good performance switching power supply, laptop switching power supply, you can also use the charging bottle, or car power supply and so on0 audio receiver updated, with a pre-amplifier, bass crossoverprocessing
Italia
6420000076293945 €
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4ft/5m between the device and amplifier without any wall blockingbut if you are connecting with tv or pc devices, please keep the distance within 6【rms 45wx2 & max 300wx2 power 】-- enjoy stereo sound with the facmog as-22 mini 300w stereo power amplifier with bluetoothits 2-channel design outputs up to 300w per channel for true stereo soundit also supports usb ports & fm radiothe extremely small size makes it the perfect solution for situations where space is limitedyou can connect it with your music streaming devices like pc/mobile/laptop either with bluetooth connection, 3) (note 2: the frequency range of the radio reception is 87a dc 12v 5a power adapter is included as a power supply5mm aux, or rca input【easy operation】-- with bass and treble control knobs you can set the desired out【hi-fi stereo sound】-- designed for excellent sound quality with 2pcs latest upgrade chips that make you feel the music like the artist himself is performing in front of you)【special benefits】-- the front-panel usb port will charge your mobile device, and remote control is included as an added convenience*** note: although you may use a dc 12v 3a power adapter, please must make sure the current is adequate enough0 version that gives you a large operating range of 16(note 1: please keep the distance within 16the sound is smooth, full-bodied, and balanced, with pleasing spaciousness and stunning clarity【multiple connectivity】-- latest bluetooth 5
Italia
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Ear amplifier wall sound amplifier bug wall listening device wiretaps amplifier audio listening amplifier
Italia
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Here we will introduce a power amplifier module-keyes brick pam8610 digital power amplifier 2x10w dual-channel stereo power amplifier module5mm)positioning hole: 3mm in diameterpackage includes:1 x pam8610 digital power amplifier boardintroduce:when we diy audio, because the initial sound is not big, we will add a power amplifier module to the audio to amplify the sound1%)low quiescent currentpopnoise suppressioninterface: 254mm pitch 5pin anti-reverse interface4pin green terminal block (spacing is 3it outputs two-channel stereo, and the power can reach 10w+10wtechnical parameter:wire length: 200mminput voltage: dc 7-15v10w@10%thd 1 channel output into a 8ω load at 13vlow noise: -90dbefficiency: greater than 90% efficiencygain 32dbwith shutdown/mute/fade functionover current, thermal and short-circuit protectionlow thd+n (0at the same time, in order to facilitate fixing the module to other devices, the module comes with a positioning hole with a diameter of 3mmfor the purpose of wiring, we also distribute a 5pin line, one end of the line is a white anti-reverse plug interface (matching the white terminal on the module), and the other end is a 5pin dupont line female interfacethis module mainly uses the pam8610 chip, and its gain is 32dbwhen connecting, connect the white port of the 5pin cable with the white anti-reverse port on the module, and connect the female port with the pin headers of other devices
Italia
4900000095367432 €
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Package included:1 x digital amplifier boarddescription:the tas5630 class d amplifier can drive a 4 ohm load at dc48v, and can get 300w+300w stereo output powerit is the digital power amplifier with the largest single-chip power at present, with extremely low distortion, high resolution, with a fan, and full materialsparameter index:when dc=50v, r=4ω, thd+n=10%, p=300wwhen dc=50v, r=6ω, thd+n=10%, p=210wwhen dc=50v, r=8ω, thd+n=10%, p=160wwhen dc=50v, r=4ω, thd+n=1%, p=240wwhen dc=50v, r=6ω, thd+n=1%, p=160wwhen dc=50v, r=8ω, thd+n=1%, p=125wsize: 91 x 64 x 27mmrecommended power supply: dc 48v, 600wtotal harmonic distortion (thd+n): 1%signal-to-noise ratio (snr): 100dbinput impedance: 20kωoutput voltage: 150mvvoltage gain: adjustableconversion rate (sr): 50v/usfrequency response range: 20hz--20khzpower supply range: dc20--dc50vnote: please do not plug or touch the audio input line when the power is on, it will easily burn out the board by high-frequency self-excitation, and the board will be shipped after the test is intactthey use purepath™ hd technology and ti advanced closed-loop architecture to realize the next generation of blue ray home theater system, stand-alone home theater, professional high-definition media playback and ultra-low distortion of the audio system
Italia
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Intelligent digital power amplifier mini power amplifier household vehicle dual purpose 110-220v vehicle dc12-24v
Italia
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Eqkit 3w power amplifier kit amplifier production diy kit small speaker parts electronic production kit
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7 v amplifier board square dance speaker amplifier support bluetooth aux tf-card u-disk recording with 5-8inch speaker
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838bt 300w hifi amplifier 20 amplifier super bass dc 12v large capatity filter audio amplifier fo1 channel bluetooth 5
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Italia
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Package includes:1 x tpa6120 headphone amplifier boardparameter:product name: tpa6120 headphone amplifier boardchip type: tpa6120a2input voltage: dual ac12-24v(recommend dual ac12v 30w)output impedance: 8-600 ohmprotection function: short circuit protection, over temperature protectionsize: 80*52*19mmfeature:the tpa6120a is a hifi-class stereo headphone amplifier from ti that provides 80mw to 600ω at a ±12v voltage at (thd+n) of 0,00014%the amp board ac and dc dual power supply 12-24v is available, the thrust is very large, 600 euro headphones are not to mention1% precision resistor, high-quality fever capacitor, ultra-low noise and wide sound field, good separation of left and right channels54 3p two input sockets, no noise and current sound, suitable for small space installationcurrent feedback architecture; dynamic range greater than 120db; snr is 120db;the output noise at a gain of 2v/v is 5μv;conversion rate: 1300v/ms; built-in short circuit and thermal protection;compatible with 3
Italia
8869999885559082 €
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Sunbuck 5ch home hifi digital amplifier bluetooth 50 av-6060bt audio power 800w car stereo amplifier karaoke profession
Italia
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Ht6872 differential amplifier board 2x3w digital class d audio amplifier module differential input 3
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1 subwoofer amplifier board module 50wx2+100w power audio stereo amplifier board1 channel bluetooth 5
Italia
161200008392334 €
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1 channel bluetooth amplifier 50*2+100w subwoofer hifi stereo aux bluetooth digital amplifier
Italia
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Universal screen magnifying amplifier holder for smartphones - 4-6" make a mini-cinema at home with this screen amplifier stand for phonesit will magnify the phone screen 3-4 times to protect your eyes and reduce the discomfort and visual fatigue caused by a long time focusing on a small screen
Italia
17299999237060547 €