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MakerHawk Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Subwoofer Control with AUX/Bluetooth/USB Flash Drive

MakerHawk Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Subwoofer Control with AUX/Bluetooth/USB Flash Drive

Q: Please provide a link to Wuzhi App, since there is no manual. Is there any?

Download link for Wuzhi Audio APP for Android mobile phones: http://www.qingdaowuzhi.cn/appdownload/Wuzhi_Audio.apk For Apple iOS mobile phones, please search "wuzhi audio" in Apple App Store to download and install.

Q: There are two versions of these. does it use tpa3251 or tpa3255? what is the minium supply voltage?

Using tpa3251, the minimum supply voltage is 12V DC, and the current should be greater than or equal to 10A.

Q: will this amp work without the app. Or do you have to have the app for it to work?

I did download the app and ran it once. Never clicked on it again. Seems to be a bluetooth amp so you pair with it and it doesn't need an app. It does sound pretty great. You can easily talk with someone while extremely loud music is playing. I have low-end Klipsh bookshelf speakers and a Polk 10 subwoofer.

Q: Could I run two 5.25" woofers at 2 Ohm well/safely (paired in parallel), or do a series at 8 Ohm? Woofers have a rating of RMS 50W/MAX 100W at 4Ohm.

The subwoofer one way can support 2 ohms, but the stereo there is a minimum of 3 ohms, otherwise the amplifier is easily protected. Speaker resistances greater than required are fine, mainly the lower limit. You can connect speakers in series and in parallel.

Product ID: 454372981

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Details

Voltage
32 Volts
Manufacturer
MakerHawk
Maximum Supply Voltage
38 Volts
Minimum Supply Voltage
12 Volts (DC)
Mounting Type
Surface Mount

📶Bluetooth 5.1 with 15m range

🔊720W total output power

🛡️Multi-layer safety protection

Frequently Bought Together

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Description

🎶 Power your space with precision and style — don’t just listen, experience sound!

ROBUST SAFETY FEATURES - Built-in short circuit, overcurrent, overheating, and anti-static protection ensures reliable, long-lasting performance.
VERSATILE AUDIO INPUTS - Connect effortlessly via AUX, USB flash drive, Bluetooth, or USB sound card for ultimate flexibility.
IMMERSIVE 2 1 CHANNEL HI FI SOUND - Experience crystal-clear audio with 220W+220W+350W power output for deep bass and rich highs.
SEAMLESS BLUETOOTH 5 1 CONNECTIVITY - Enjoy stable, low-latency wireless streaming up to 15 meters with advanced APP control and customizable settings.
CUTTING EDGE TPA 3251 D 2 AMPLIFIER CHIPS - Powered by Texas Instruments’ class D tech for ultra-low distortion and high-definition sound clarity.

The MakerHawk Bluetooth Power Amplifier Board delivers a powerful 720W 2.1 channel stereo experience with advanced Bluetooth 5.1 connectivity and multi-input support. Featuring Texas Instruments’ TPA3251D2 chips, it ensures high-fidelity sound with ultra-low distortion. Designed for professionals and audiophiles alike, it offers robust safety protections and versatile compatibility across devices, making it the ultimate amplifier for immersive, high-quality audio.

Specifications

Voltage	32 Volts
Manufacturer	MakerHawk
Maximum Supply Voltage	38 Volts
Minimum Supply Voltage	12 Volts (DC)
Mounting Type	Surface Mount
Brand	MakerHawk
Number of Channels	3
Output Power	7.9E+2 Watts
Package Type Name	box
Specification Met	RoHS
Supply Current	1E+1 Amps
Model number	ZK-AS21
Colour	Blue
Number of Memory Sticks	1
Item Weight	408 g
Package Dimensions	16.31 x 13.89 x 5.11 cm; 408 g
Item model number	ZK-AS21
Power Source	corded electric
Included Components	1 electronic component amplifier
Are batteries included?	No

Have a Question? See What Others Asked

Please provide a link to Wuzhi App, since there is no manual. Is there any?

There are two versions of these. does it use tpa3251 or tpa3255? what is the minium supply voltage?

will this amp work without the app. Or do you have to have the app for it to work?

Could I run two 5.25" woofers at 2 Ohm well/safely (paired in parallel), or do a series at 8 Ohm? Woofers have a rating of RMS 50W/MAX 100W at 4Ohm.

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