About this item

• Build Your Own Wooden Models - This 3 IN 1 stem kit comes with 53 wooden parts to create solar power kit, electronic tank vehicle and electric biplane glider which helps children build a solid foundation in Science, Technology, Engineering and Mathematics at an early age.
• Easy Self-Assembly - Do you worry it is difficult to assemble the wooden toy set? Our mechanical toy is cut with exquisite laser technology and accompany with detailed assembly manual, no tools nor glues needed. The assemble video is also provided.
• Powered by Solar & Battery - The tank vehicle and plane are powered by 2 x 1.5V AA batteries, not included. But the solar race car includes a panel that absorbs solar heat energy into an electric energy to active motor, which drives the motor to make the machine run smoothly. Teach children to use environmentally friendly solar energy.
• Support STEM Education - This educational building puzzle game is designed to improve children’s practical ability, problem solving skills and motivate children to love science and build children’s confidence. Meantime, you can enjoy the parent-child fun and DIY entertainment.
• Great Gift for Kids and Adults - Made of non-toxic and lab tested safe wood. Perfect STEM school project or an office brain teaser. Great toys for 3 year old and up boys gift for birthday, children's day, Christmas, summer camp activities or back to school. The great attention to detail and educational pratice make this science experiment kit your #1 gift to a Science Lover.

About this item

• CLASS D AMPLIFIER - Class D topology ensures high efficiency with big power and a small footprint. This mono amplifier was built for driving subwoofers and subwoofer systems, maintaining the highest sound quality sound for your car audio.
• BUILT FOR POWERFUL SOUND - Minimize heat generation with the PWM MOSFET power supply providing stability through the PC board. Old school Hifonics aluminum heat sink maintains superior heat dissipation to keep your car audio sounding smooth.
• MADE TO LAST - Low noise preamplifier generates maximum low voltage signal from source unit, minimizing distortion. High temperature impact resistant inputs with hex screw terminals allow secure connections and are erosion resistant.
• HIGH QUALITY CONNECTIONS - RCA outputs and a daisy chain multiple amplifier build eliminates additional signal cables from the source unit. Molded secure connections are used for all wires and angled for ease of access during installation.
• CLASSIC HIFONICS LOOK - The ZXX Series maintains the classic feel of Hifonics amplifiers and include an illuminated logo on the front of the amplifier. The Hifonics logo illuminates when the amp is powered, making a statement even in the dark.

About this item

• 🔷[Sapphire Metal&Safe Security]The solid body features exquisite texture and durable lifetime,and protects your devices from over heating,over-voltage,over-current.
• 🔷[Ultra Compact Fit Cars]Tiny thumb-sized body of type-c car charger perfectly fits and sits snugly with most car lighters,freeing up more space and providing you comfortable aesthetic.
• 🔷[Dual USB-C Fast Charging]Advanced dual USB-C port PD 3.0 technology,The maximum output is up to 40W in total (20W output each port).Support PD3.0/PD2.0/QC2.0/AFC/FCP and other protocols.
• 🔷[Wide Compatibility]Works flawlessly with phones;tablets;iPhone and more.Such as iPhone12/12Pro/12Pro Max/12Mini/11/11Pro/11Pro Max/X/XR/XS/XS Max/SE 2020;iPad;Airpods Pro;Samsung Galaxy S20/S20 plus/S20 Ultra/Note 20/Note 20 Ultra/Note 10/Galaxy S10+/S10e.
• 💙[What You Get] Powerful car charger 12V,extra charge cable,welcome guide,our worry-free 18-month warrenty,and friendly customer service.

About this item

• Features – The 2 channel bass boost amplifier has features like - Frequency Response: 10HZ-30KHZ, Bass Boost, Remote Bass Knob, Gain Control, 2-way protection, hi/low level inputs, Thermal Protection, MOSFET Power Supply, LED Power and Protection Indicator and 2 Ohm Stable
• Class A/B – This Orion Cobalt multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier has a high amount of current flowing in its output while Class b amplifier has no current flowing.
• Quality - This Class A/B 2 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this subwoofer amp for car speakers stand out amongst the others.
• Power – This Class A/B 1500 Watt Amplifier has a power rating distribution as followed 2250 X 2 MAX @ 2 OHMS, 1125 X 2 MAX @ 4 OHMS. The dual channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.
• Low/High Level Inputs – The multichannel subwoofer amplifier for car stereo speakers come with low/high level inputs. A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers

About this item

• AUDIO EVOLUTION: This car speakers amp features regulated MOSFET Pulse Width Modulated that maintain rated power over a wide range of battery voltage. Excellent frequency response rates place these amps in a class of their own.
• INTELLIGENT DESIGN: The car audio amplifier 8 channel safety features include power and protection LED indicators; soft turn-on/off; and thermal, overload, and speaker-short protection.
• SOUND SPECIALIZATION: This high-powered Power Amplifier is cutting edge technology at its finest. Chrome RCA connectors and speaker screw-down terminals ensure a secure connection between amplifier and speakers that allow distortion-free sound.
• RCA JACKS: The Line-Out jacks allow you to build multiple amplifier systems without having to use splitter cords to distribute the signal. This makes it easier to bring one set into the first amp, then use the line out jack as the feed to the next amp.

About this item

• AUDIO EVOLUTION: This car speakers amp features regulated MOSFET Pulse Width Modulated that maintain rated power over a wide range of battery voltage. Excellent frequency response rates place these amps in a class of their own.
• SOUND SPECIALIZATION: This high-powered Power Amplifier is cutting edge technology at its finest. Chrome RCA connectors and speaker screw-down terminals ensure a secure connection between amplifier and speakers that allow distortion-free sound.
• INTELLIGENT DESIGN: The car audio amplifier 5 channel safety features include power and protection LED indicators; soft turn-on/off; and thermal, overload, and speaker-short protection.
• RCA JACKS: The Line-Out jacks allow you to build multiple amplifier systems without having to use splitter cords to distribute the signal. This makes it easier to bring one set into the first amp, then use the line out jack as the feed to the next amp.
• BLUETOOTH: With built-in Bluetooth, you'll be able to wirelessly stream audio from virtually any Bluetooth device. Instantly stream your favorite tracks from your smartphone or tablet, or favorite internet radio providers like Pandora, Spotify, iHeart.

• Premium 200W car power inverter
• Travel kit: Just about credit card size - 3. 2 x 2. 5 x 1. 5 inches, space-saving and easy storage, with aluminum shell design, Extremely portable and lightweight at only 8 oz.+
• Mufti-protection: built-in fuse to protect your Device, safe charging design provides protection against, overheating, under and over voltage charging, short circuiting, overloads, and overcharging
• Durable metal housing provides advanced protection from drops and bumps. Integrated very silent cooling fan helps reduce heat and prevents shortages

• QUALITY - This Class D Monoblock Amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this mono sub amp stand out amongst the others.
• 1 Ohm Stable - This cobalt subwoofer amplifier for car speakers is able to power loads of 1 Ohm on a continuous basis without facing any difficulties like overheating, making extra sounds. This Class D amplifier is designed to power subwoofers that have a constant demand of high power in order to operate effectively.
• Low/High Level Inputs – The monoblock subwoofer amplifier for car stereo speakers with mosfet power supply comes with low/high level inputs. A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
• Features – The monoblock bass boost amplifier has features like - Frequency Response: 10~250HZ, Low Pass Filter, Bass Boost, Subsonic Control, Remote Bass Knob, MOSFET Power Supply, Thermal Protection, Phase Shift
• Power – This Class D 3000 watt Amplifier has a power rating distribution as followed 3000 X 1 MAX @ 1 OHM. The monoblock amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.

• Quality - This Class D 4 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this subwoofer amp for car speakers stand out amongst the others.
• Power – This Class D 1200 Watt RMS Car Amplifier has a power rating distribution as followed 300x4 @2 Ohms, 192x4 @4 Ohms. The 4 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.
• Crossovers- The Taramps Multichannel Car Amplifier offers you the ease of connectivity by providing the feature of crossover. The 2 channel car amplifier provides you with options of fixed 90Hz Highpass & Lowpass crossovers.
• Features – The 4 channel bass boost car amplifier has features like - Frequency Response: 9Hz-27KHZ, Bass Boost, SNR>88DB, Remote Bass Knob, 2-way protection, hi/low pass crossovers and 2 Ohm Stable
• Includes - (1) Taramps 1200W RMS 4 Channel Class D Amplifier