Key board
Elenco key board
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Su 4 righe, il key board 24 offre ampio spazio per un massimo di 24 portachiavi key clip1 sacchetto campione con 6 key cliptesto tradotto automaticamente
Italia
30989999771118164 €
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Bigfun bf-425 portable 37 key electronic keyboard piano digital music key board + microphone for children gift musical e
Italia
3413999938964844 €
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At42qt1070 5-pad 5 key capacitive touch screen sensor module board dc 15v power for standalone mode
Italia
13270000457763672 €
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How 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 soundif you are above 19v 5a, no problem with 8-10 inches, power must be highly valuedthe higher the voltage, the higher the current, and the higher the power output1chip: 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 ohms0 (nessuna schermatura, 10 m)sensibilità di ingresso: 500 mvingresso audio: aux+bluetoothchannel: 2it is recommended to use 18v19v24v power supply with current above 5a100w(subwoofer)quantità : 1 pzil pacchetto include:1 x amplifier boarddomanda e risposta:1if 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 qualityspecifica:item type: amplifier boardmodel: zk-tb21materiale: componenti elettronicicolore: blackversione bluetooth: 5if the voltage is too low and the sound is amplified, it will easily cause sound distortion50w(r and l channel), maxif you only have 12v 1a, you can have 3-4 inch speakerswhen using it, choose the volume close to the maximum, which may cause distortion and affect the sound quality
Italia
21290000915527344 €