Can anyone recommend a good amp to power 4 of these speakers

The sensitivity on these speakers are only 85.5 dB and are 100 watts. You definitely need an amp with some power to push 4 of them. If you use these as stereo speakers I recommend a Sherwood RX5502 or look for an older Pioneer VSX series made in the 90's or any Pioneer SX series amps on EBay. SX may cost more but VSX is great stuff. Not the new VSX crap. Get the old stuff cause they have bigger transformers and power supplies and they are true solid state amps. No digital gizmos to screw up the sound. The VSX is a surround sound amp BUT they have stereo connections for 4 separate speakers and you can A/B them. The EQ on those amps are pretty good as well.

It is possible to use with my laptop? I didnt see any 3.5 mm connector. What do I have to do?

Is your 3.5 mm connector stereo?, even if it is I'm guessing there are inexpensive adapters (probably @ Radio Shack) that will convert a 3.5 mm plug to either 2 wire (mono) or 4 wire (stereo). Pay attention to wire polarities (+ & -) as traditional 2 wire speakers connections are + & - , even if the wires are connected backwards the speakers will still work-- result you will be driving them backwards & they will not sound as clear. Solution, just reverse the wires. Good luck

Will these survive being pressure-washed (assuming the mounting bracket is strong enough)?

I gotta' ask...WHY would you pressure wash these or any other speakers???

if i want to mount them on my bedroom ceiling how would i power them?

Stereo speakers don't need a power supply. You simply connect them to your stereo system/receiver via speaker wires.

Dual Electronics Lu43pb 4 Inch 3 Way High Performance Indoor

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Description

🎶 Elevate your soundscape anywhere, anytime — don’t just listen, experience it!

ALL WEATHER DURABILITY - UV-resistant resin and ABS enclosure keep your sound pristine rain or shine.
POWERFUL 100 W PEAK OUTPUT - Feel every beat with studio-grade sound that commands attention indoors or outdoors.
COMPACT 4 INCH 3 WAY DRIVERS - Balanced woofer, midrange, and tweeter deliver rich bass, clear mids, and crisp highs.
VERSATILE 120 SWIVEL MOUNTS - Customize your audio direction effortlessly for perfect sound placement anywhere.
SEAMLESS INDOOR OUTDOOR TRANSITION - From bookshelf to patio, these speakers adapt to your lifestyle and elevate every space.

The Dual Electronics LU43PB are 4-inch 3-way high-performance speakers delivering 100 Watts peak power with a frequency range of 100Hz-20kHz. Designed for both indoor and outdoor use, they feature UV-resistant resin coating and ABS enclosures for weather durability. Their innovative swivel brackets offer a 120-degree range for precise sound direction, making them perfect for patios, bookshelves, or garages. Compact yet powerful, these speakers combine a woofer, midrange, and tweeter for rich, studio-quality audio backed by a 1-year warranty.

Specifications

ASIN	B00081NX5U
Age Range Description	Adult
Antenna Location	For Outdoor Use
Audio Driver Size	5.25 Inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Surround
Battery Average Life	6 Hours
Best Sellers Rank	23,601 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 80 in Bookshelf Hi-Fi Speakers
Box Contents	Speakers
Brand Name	Dual
Colour	Black
Compatible Devices	Desktop, Home Theater, Laptop, MP3 Player, Smartphone, Tablet
Compatible with Vehicle Type	Car
Connectivity Protocol	Bluetooth
Control Method	Remote
Controller Type	Button
Country of Origin	China
Customer Package Type	Non FFP
Customer Reviews	4.3 4.3 out of 5 stars (15,777)
Enclosure Material	Plastic Polypropylene
Frequency Response	100 Hz
Global Trade Identification Number	00827204209967, 08272042099676
Impedance	6 Ohms
Is Electric	Yes
Is Waterproof	True
Item Dimensions D x W x H	13.3D x 13.3W x 21H centimetres
Item Weight	1.27 kg
MP3 player	No
Manufacturer	Dual
Maximum Range	15 Metres
Maximum Speaker Output Power (in watts)	100 Watts
Model Name	LU43PB
Model Number	LU43PB
Mounting Type	Wall Mount
Network Connectivity Technology	Wired
Number Of Circuits	3
Number of Audio Channels	2.0
Number of Items	1
Number of Power Levels	1
Power Source	Corded Electric
Product Features	Bass Boost, Multi Room Audio, Waterproof
Series Number	43
Speaker Size	4 Inches
Speaker Type	Outdoor
Specific Uses For Product	For Outdoor Use
Subwoofer Connectivity Technology	Wired
Subwoofer Speaker Diameter	5.25 Inches
Tweeter Diameter	0.78 Inches
UPC	765042396299 072931287393 073581026646 069060209334 638362955845 696582499907 999992221244 014444741443 190283071283 617407413373 767887450365 734911306097 100177408651 853585408736 014444954263 523160393763 012302121802 749860035660 675904088944 734911382183 404615966513 031112547206 768421121512 731215351860 696582126582 827204209967 163120549559 734911371880 782386057686 962327397945 1519031564…
Unit Count	2.0 count
Warranty Type	Limited
Water Resistance Level	Water Resistant
Wireless Technology Type	Bluetooth
Woofer Driver Diameter	4 Inches

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Sold byAmazon Cote D' IvoireDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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Dual Electronics LU43PB 4 inch 3-Way High Performance Indoor, Outdoor & Bookshelf Studio Monitor Speakers with Swivel Brackets & 100 Watts Peak Power (Sold in Pairs)

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Description

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