ST21PRO bluetooth Digital Audio Power Amplifier Board 2.1 Channel 100Wx2 + 200W Subwoofer TPA3221 High-Power Advanced Sound Quality
Direct purchase from the factory 
Malipo Salama Yanahakikishiwa
Zawadi ya Bure
Sera ya Usafirishaji
Sera ya KurudishaZawadi ya Bure
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Tutafanya kazi kwa bidii kukufikishia bidhaa baada ya kupokea maagizo yako na kuhakikisha zinafika salama. Maelezo ya uwasilishaji yatakuwemo kwenye barua pepe yako ya uthibitisho.Kwa hali ya kawaida, maagizo huchakatwa ndani ya siku 2. Katika hali maalum, yanaweza kucheleweshwa kama ifuatavyo: Unapoagiza Jumamosi, Jumapili au siku za likizo, itacheleweshwa kwa siku 2.Kwa kawaida, inahitaji siku 5-7 za kazi (Jumatatu hadi Ijumaa) bila kuathiriwa na ucheleweshaji wa ndege au mazingira mengine.Kwa sababu huduma yetu ya usafirishaji ni kimataifa, muda wa uwasilishaji utategemea eneo lako, kwa hivyo inaweza kuchukua muda na tafadhali subiri kwa subira ikiwa uko katika wilaya au nchi za mbali.1. Sera ya Kurudisha na Kubadilisha
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2. Sera ya Kurudisha Pesa
Utapata rudi pesa kamili au stoo 100% ya stoo baada ya kupokea na kukagua kifurushi kilichorudishwa. Rudi pesa itachakatwa kiotomatiki kwenye njia yako ya awali ya malipo.Tafadhali kumbuka kuwa gharama za usafirishaji na ushuru wowote au ada hazirudishiwi. Gharama za ziada za usafirishaji hazirudishiwi mara tu kifurushi kimetumwa. Wewe ndiye mwenye jukumu la kulipa ada hizi na hatuwezi kuziacha au kuzirudisha, hata kama agizo litarudishwa kwetu.Mara tu tutakapopokea na kuthibitisha bidhaa yako iliyorudishwa, tutakutumia barua pepe kukujulisha kuwa tumepokea bidhaa yako. Pia tutakujulisha kuhusu uthibitisho au kukataliwa kwa rudi pesa yako.Ikiwa una shida yoyote kuhusu mchakato wa kurudisha pesa, tafadhali wasiliana nasi. service@roymall.com au Whatsapp: +8619359849471Specificationsuff1a
Product Name: bluetooth Digital Audio Power Amplifier Board
Product Model: XY-ST21PRO
Channels: 2.1 Channel
Output Power: 100W x 2 + 200W Subwoofer
Amplifier Chips: Dual-Core TPA3221
bluetooth Interface: IPEX interface for external antenna
Color Options: Black
Types Optional: Bare board / With shell / Potentiometer external connection
Featuresuff1a
1. High Efficiency and Stability: The XY-ST21PRO utilizes dual-core TPA3221 amplifier chips, which are known for their high efficiency and stability. These chips ensure minimal power consumption while delivering high-definition sound quality, making them perfect for high-performance audio applications.
2. Enhanced Safety with Power Switch: This amplifier board comes with a built-in power switch, providing an added layer of safety for the user. The switch allows you to easily control the power supply, reducing the risk of electrical hazards.
3. Lossless Components for Superior Sound Quality: The use of high-quality, lossless components in the design of this amplifier ensures that sound quality is maintained. This makes it ideal for audiophiles who demand top-notch audio performance.
4. Independent High and Low Frequency Tuning: The amplifier board offers independent tuning for high and low frequencies, giving you the flexibility to adjust the sound to your preference. This feature makes it convenient to achieve the perfect audio balance for different types of music or soundtracks.
5. External bluetooth Antenna Interface: Featuring an IPEX interface, the XY-ST21PRO is equipped to connect an external bluetooth antenna. This enhances the bluetooth signal strength and range, ensuring a stable and uninterrupted audio transmission.
Package Included:
1 x Digital Audio Power Amplifier Boarduff08Types Optional: Bare board / With shell / Potentiometer external connectionuff09
