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.

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.

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.

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.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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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

Product ID: 454372981

Details

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

📶Bluetooth 5.1 with 15m range

🔊790W total output power

🛡️Multi-layer safety protection

1739 DH

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Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Power your space with MakerHawk — where high fidelity meets smart control!

VERSATILE INPUT OPTIONS - Supports AUX, USB flash drives, and USB sound cards—plug in any device and elevate your audio instantly.
BUILT TO PROTECT PERFORM - Advanced short circuit, overcurrent, overheating, and anti-static safeguards keep your investment safe and sound.
SEAMLESS WIRELESS CONNECTIVITY - Bluetooth 5.1 ensures stable, low-latency streaming up to 15 meters—cut the cords, not the quality.
IMMERSIVE HI FI SOUND EXPERIENCE - Crystal-clear 2.1 channel stereo with 2x220W + 350W subwoofer power for room-filling audio.
ULTIMATE CONTROL AT YOUR FINGERTIPS - APP-enabled settings let you customize volume, playlists, and even sleep timers for personalized soundscapes.

The MakerHawk Bluetooth Power Amplifier Board delivers a robust 790W 2.1 channel output powered by dual Texas Instruments TPA3251D2 chips, ensuring high-efficiency, low-distortion sound. Featuring Bluetooth 5.1 for stable wireless streaming up to 15 meters, versatile input options including AUX and USB, and comprehensive safety protections, this amplifier board is designed for audiophiles seeking premium sound quality with smart, customizable control.

Specifications

ASIN	B0B3D4786D
Best Sellers Rank	#212,196 in Electronics ( See Top 100 in Electronics ) #313 in Hi-Fi Amplifiers
Brand Name	MakerHawk
Country of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (99)
Included Components	1 electronic component amplifier
Manufacturer	MakerHawk
Maximum Output Power	790 watts
Maximum Supply Voltage	38 Volts
Minimum Supply Voltage	12 Volts (DC)
Model Number	ZK-AS21
Mounting Type	Surface Mount
Number of Channels	3
Number of Items	1
Number of Packs	1
Output Power	790 Watts
Package Type Name	box
Part Number	ZK-AS21
Specification Met	RoHS
Supply Current	10 Amps
Unit Count	1 Count
Voltage	32 Volts

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1739 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Morocco.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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