Why is there some noise when using my pedal power supply?

Noise is usually from external factors: unclean power from shared outlets, nearby WiFi/phone interference, loose cables, or high-gain/digital pedals amplifying small signals. It’s rarely an issue with the power supply itself.

Can my power outlet or wiring cause pedal noise?

Yes. Old, unstable outlets or shared power strips with computers/lights create impure power. Moving pedals while powered can also loosen connections and cause mild current noise.

Does location affect power supply noise (commercial vs residential)?

Commercial areas often have complex 3-phase power, elevators, and servers that cause more ground interference. Residential areas have cleaner single-phase power but may still have minor noise from aging wiring.

Why do some pedals make more noise than others with the same power?

High-gain pedals (distortion/overdrive/fuzz) amplify all signals including noise. Digital pedals (delay/reverb/looper) are sensitive to power quality and more likely to pick up high-frequency interference.

Can cables or nearby devices cause power-related noise?

Yes. Poorly shielded or loose audio cables introduce noise. Phones, WiFi routers, and other adapters placed too close can also create electromagnetic interference with your pedal setup.

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Description

🔊 Elevate your sound game—because average just won’t do.

BUILT TO IMPRESS - A modern aesthetic that complements your workspace and lifestyle.
SLEEK PORTABLE - Designed for the on-the-go professional who values style and convenience.
LONG LASTING VIBES - Keep the party going with an impressive 10-hour battery life.
SEAMLESS CONNECTIVITY - Effortlessly pair with your devices for uninterrupted streaming.
POWER THAT PACKS A PUNCH - Experience crisp, clear audio with 20 watts of pure sound energy.

The SPS-20 is a compact, high-fidelity speaker delivering 20 watts of power and up to 10 hours of battery life, perfect for professionals seeking premium sound quality and portability.

Specifications

ASIN	B0BHHM9TTF
Amperage	500 Milliamps
Best Sellers Rank	#4,306 in Musical Instruments ( See Top 100 in Musical Instruments ) #27 in Keyboard Power Supplies
Brand	STRICH
Built-In Media	SPS-20 Guitar Power Supply
Color	Black
Connector Type	Barrel Connector
Connector Type Used on Cable	Barrel Connector
Customer Reviews	4.3 out of 5 stars 353 Reviews
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS)
Form Factor	Rectangular
Input Voltage	9 Volts
Item Dimensions	8 x 3 x 3 inches
Manufacturer	STRICH
Material	Acrylonitrile Butadiene Styrene (ABS)
Maximum Power	600 Watts
Mfr Part Number	SPS
Model Number	SPS-20
Output Voltage	18 Volts
Output Wattage	600 Watts
Specification Met	UL, FCC, RoHS
UPC	774034315316
Warranty Description	1 Year

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SPS-20

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