I want to connect dual 120watt speakers. is 24v 5A enough? is 24v 10A too much?

This amp is rated at 100W+100W=200W. The datasheet says 90% efficiency. That means you need 9.25A at 24V (200/.09/24V) to generate the power needed for 200W. A 24V 5A supply can supply 120W, times the 0.9 efficiency, that supply will only give you 108W or 54 W per channel.

Can I use a 7.5a fuse or will it fry the amp? (I have a classic car with a 7.5a glass fuse with wiring for a radio that I'd like to use.)

The unit takes 12-24 volts DC. The amperage does not matter, you can use a 200a glass fuse if you like :)

does this come with a power cord / pig tail, so I can wire it into a dc power supply? If not what size plug do I need?

You will need to provide your own power source and it fits a 5.5mm plug. Above 12V is recommended, and 24V will give you full power.

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Description

🎵 Elevate your sound game—DIY speakers never sounded this smart!

COMPACT EASY INTEGRATION - Slim 11.8 x 9 x 3 cm design with surface mount makes it perfect for sleek DIY speaker projects without bulk.
ROBUST SAFETY RELIABILITY - Built-in overheat, over-voltage, and circuit protection ensures your setup stays safe and sound 24/7.
CUSTOMIZABLE AUDIO EXPERIENCE - Fine-tune your sound with dedicated treble and bass knobs—feel like you’re in a premium movie theater.
POWERFUL 2 X 100 W STEREO OUTPUT - Unleash rich, room-filling sound with 200W total power for your DIY wireless speakers.
SEAMLESS WIRELESS WIRED CONNECTIVITY - Bluetooth 5.0 offers stable, long-range streaming up to 49 feet, plus AUX input for versatile device compatibility.

The DAMGOO ZK-1002T is a compact 2.0 channel amplifier board delivering 100W per channel with adjustable treble and bass controls. It supports Bluetooth 5.0 wireless streaming up to 49 feet and AUX input for wired devices. Designed for DIY wireless speaker projects, it features comprehensive safety protections and a sleek surface-mount form factor, making it a reliable and versatile audio upgrade.

Specifications

Item dimensions L x W x H	11.8 x 9 x 3 Centimeters
Voltage	24 Volts
Manufacturer	DAMGOO
Maximum Supply Voltage	24 Volts
Minimum Supply Voltage	24 Volts
Mounting Type	Surface Mount
Brand	DAMGOO
Number of Channels	2
Output Power	2E+2 Watts
Package Type Name	box
Specification Met	CE, RoHS
UPC	194852390270
Model number	ZK-1002T
Colour	Black
Number of Memory Sticks	1
Special Feature	AM interference suppression function, HIFI Stereo
Item Weight	111 g
Product Dimensions	11.79 x 9.03 x 3 cm; 111 g
Item model number	ZK-1002T
Item Height	1.18 Inches
Item Width	3.55 Inches
Cooling type	Heat sink
Output Wattage	200 Watts
Power Source	DC
Included Components	amplifier board
Are batteries included?	No

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