Bluetooth Speakers, Bigwave Dual-Driver Portable Wireless Speaker with Low Harmonic Distortion and Superior Sound, More Bass, Perfect Speaker for Golf, Party, Picnic & Home (Camo Green). Superior Sound Bluetooth Speakers: Experience your music in full-bodied stereo realized through dual high-performance drivers and advanced bass enhancement technology. Less than 1% total harmonic distortion ensures enhanced clarity and fidelity. Bluetooth 4.0 Technology with CSR Version: Compatible with…

Bluetooth Speakers, Bigwave Dual-Driver Portable Wireless Speaker with Low Harmonic Distortion and Superior Sound, More Bass, Perfect Speaker for Golf, Party, Picnic & Home (Camo Green). Superior Sound Bluetooth Speakers: Experience your music in full-bodied stereo realized through dual high-performance drivers and advanced bass enhancement technology. Less than 1% total harmonic distortion ensures enhanced clarity and fidelity. Bluetooth 4.0 Technology with CSR Version: Compatible with…

Cerwin Vega Pro Cv-900 900-Watt High-Performance Professional Power Amplifier by Cerwin-Vega. $299.00. The Cerwin-Vega! CV-Series high performance professional power amplifiers are rugged, 2U rackmountable workhorses with the muscle to accommodate the most demanding audio challenge. With power ratings up to 2800 watts, support for bridged mono operation, exceptional THD (Total Harmonic Distortion) and Signal-to-Noise ratings, the CV Series power amps are the right choic...

Cerwin Vega Pro Cv-900 900-Watt High-Performance Professional Power Amplifier by Cerwin-Vega. $299.00. The Cerwin-Vega! CV-Series high performance professional power amplifiers are rugged, 2U rackmountable workhorses with the muscle to accommodate the most demanding audio challenge. With power ratings up to 2800 watts, support for bridged mono operation, exceptional THD (Total Harmonic Distortion) and Signal-to-Noise ratings, the CV Series power amps are the right choic...

Boss AVA1210 Car Equalizer Preamp Silver 7Band Subwoofer Input

Boss AVA1210 Car Equalizer Preamp Silver 7Band Subwoofer Input

Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

WANHUA Bluetooth 4.0 Speaker (High Definition Audio,Louder Volume,Strong Bass,Passive Subwoofer,Superior Sound,Universal) Portable Wireless Speaker for iPhone, iPad, Samsung and More (Black & Red). Full-range listening experience, heavy stereo, Less than 1% total harmonic distortion ensures enhanced clarity and fidelity. With 2000mAh built-in Lithium-Polymer battery, you can enjoy 8-10 hour of non-stop music at 80% volume. Recharge in 2-4 hours using the original Micro USB cable. Equipped...

WANHUA Bluetooth 4.0 Speaker (High Definition Audio,Louder Volume,Strong Bass,Passive Subwoofer,Superior Sound,Universal) Portable Wireless Speaker for iPhone, iPad, Samsung and More (Black & Red). Full-range listening experience, heavy stereo, Less than 1% total harmonic distortion ensures enhanced clarity and fidelity. With 2000mAh built-in Lithium-Polymer battery, you can enjoy 8-10 hour of non-stop music at 80% volume. Recharge in 2-4 hours using the original Micro USB cable. Equipped...

Anker SoundCore Bluetooth Speaker with 24Hour Playtime 66Foot Bluetooth Range  Builtin Mic DualDriver Portable Wireless Speaker with Low Harmonic Distortion and Superior Sound  Black >>> Want additional info? Click on the image.

Anker SoundCore Bluetooth Speaker with 24Hour Playtime 66Foot Bluetooth Range Builtin Mic DualDriver Portable Wireless Speaker with Low Harmonic Distortion and Superior Sound Black >>> Want additional info? Click on the image.

Yoyamo Bluetooth Speakers Ultra-Portable Wireless Speaker, with Clean Bass and Built-in Microphone for Outdoors / Indoor Entertainment. Full-range listening experience, full-bodied stereo, dual high-performance drivers and a punching bass port. Less than 1% total harmonic distortion ensures enhanced clarity and fidelity. With 4000mAh built-in Lithium-Polymer battery, you can enjoy 8 hour of non-stop music at 80% volume, three times longer than similar-sized portable speakers. Recharge in…

Yoyamo Bluetooth Speakers Ultra-Portable Wireless Speaker, with Clean Bass and Built-in Microphone for Outdoors / Indoor Entertainment. Full-range listening experience, full-bodied stereo, dual high-performance drivers and a punching bass port. Less than 1% total harmonic distortion ensures enhanced clarity and fidelity. With 4000mAh built-in Lithium-Polymer battery, you can enjoy 8 hour of non-stop music at 80% volume, three times longer than similar-sized portable speakers. Recharge in…

DRILLPRO LED Color Changing Bluetooth Speaker,Portable Wireless Speaker - LED Ball Speaker with Enhanced Bass, Cool LED Lights and Multifunctional Remote for iPhone 6S /6S Plus/6/6 Plus, TV, DJ, Car. Superior Sound Quality - Less than 1% total harmonic distortion ensures enhanced clarity and fidelity.Implemented with 6W total acoustic drivers and ultra-small size produce a wide audio spectrum.Give you a three-dimensional feel, room filling sound, perfect for home, dorm room, kitchen...

DRILLPRO LED Color Changing Bluetooth Speaker,Portable Wireless Speaker - LED Ball Speaker with Enhanced Bass, Cool LED Lights and Multifunctional Remote for iPhone 6S /6S Plus/6/6 Plus, TV, DJ, Car. Superior Sound Quality - Less than 1% total harmonic distortion ensures enhanced clarity and fidelity.Implemented with 6W total acoustic drivers and ultra-small size produce a wide audio spectrum.Give you a three-dimensional feel, room filling sound, perfect for home, dorm room, kitchen...

Portable Wireless Bluetooth Speakers 4.0 with HD Sound and Built in Microphone for Handfree Wireless Subwoofer Speaker BS-03. ❤Superior Sound Quality:Resonance(ESR)and ACTIONS 2127S decode chip and portable and Powerful 4W output power to create crystal clear and incredible sound quality.Less than 0.6% total harmonic distortion ensures enhanced clarity and fidelity. ❤Bluetooth 3.0 Broad Compatability:Compatible with all Bluetooth-enabled devices: Android and iPhone tablets, smartphones...

Portable Wireless Bluetooth Speakers 4.0 with HD Sound and Built in Microphone for Handfree Wireless Subwoofer Speaker BS-03. ❤Superior Sound Quality:Resonance(ESR)and ACTIONS 2127S decode chip and portable and Powerful 4W output power to create crystal clear and incredible sound quality.Less than 0.6% total harmonic distortion ensures enhanced clarity and fidelity. ❤Bluetooth 3.0 Broad Compatability:Compatible with all Bluetooth-enabled devices: Android and iPhone tablets, smartphones...

Tda2030a 18w Single-supply Single-channel Amplifier Board. TDA2030A 18W Single-Supply Single-Channel Amplifier Board   	Specifications: 	   	Operating voltage: 9-35VDC(recommedded DC12V,this voltage to the heat sink requirements are very low)Maximum supply voltage of this board is actually up to 40V,but you need to change the board's own electrolytic capacitor C1,the capacitor voltage value is higher than the supply voltage can be use)  	Total harmonic distortion: 0.08% (Po = 0.1 to 14W, RL…

Tda2030a 18w Single-supply Single-channel Amplifier Board. TDA2030A 18W Single-Supply Single-Channel Amplifier Board Specifications: Operating voltage: 9-35VDC(recommedded DC12V,this voltage to the heat sink requirements are very low)Maximum supply voltage of this board is actually up to 40V,but you need to change the board's own electrolytic capacitor C1,the capacitor voltage value is higher than the supply voltage can be use) Total harmonic distortion: 0.08% (Po = 0.1 to 14W, RL…

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