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How car amplifiers work

Planet Audio AC10D 1500 Watt, 10 Inch, Dual 4 Ohm Voice Coil Car Subwoofer

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Description:

Planet Audio AC10D Car Subwoofer - 1500 Watts Maximum Power, 10 Inch, Dual 4 Ohm Voice Coil, Easy Mounting (Sold Individually)

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  • CONE: Made From Polypropylene, The AC10D 10 Inch Car Subwoofer Provides a Resilient And Durable Material That Can Offer Great Sound With The Advantage Of Long Lasting Subwoofers
  • VOICE COIL: Our Voice Coils Are Able To Withstand High Temperatures Yet Maintain Its Strength And Fatigue Properties. Making Our Voice Coils With This Material, Gives Our Speakers The Advantage Of Longer Pay Times With Lower Weights
  • SURROUND: Foam is very flexible, providing the subwoofer with higher efficiency. This also translates to better excursion. (How far the cone of a speaker linearly travels from its resting position).
  • STAMPED BASKET: A Die-cast frame can absorb and transfer much of the energy produced by the speaker. It has good corrosion resistance, good mechanical property, high thermal and electrical conductivity and retains strength at high temperatures.
  • SPECIFICATIONS: Resonant Frequency - 39 Hz, Sensitivity SPL (1W/1m) - 87 Db
  • DIMENSIONS: Depth 11" x Width 11" x Height 5.3"
  • WARRANTY: Planet Audio Provides a Powerful 3 Year Platinum Online Dealer Warranty So Long as The Purchase Is Made Through Amazon.com




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Wireless Microphone - Kithouse Karaoke Bluetooth Microphone Wireless Handheld Dynamic Mic - UHF Transmitter Receiver - Bus Car FM Radio Microphone For Karaoke Singing Church Speech, K380F

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Description:

Kithouse UHF Wireless Microphone with Bluetooth Receiver - No need to set, just plug and use!

How to use Kithouse Wireless Microphone with Speaker, Soundbar or Power Amplifier?
1)Power on mic/receiver, they will connect each other automatically though UHF technology
2)Plug the receiver into the Speaker, now you can use the mic
3)When the Receiver is plugged into speaker, we also can connect Receiver via Bluetooth to play background music if needed.

How to use Kithouse Wireless Microphone with FM Radio(Car/Bus)?
This Receiver supports 3 FM Frequency: Red-89.8MHz Green-106.7MHz Blue-107.2MHz
1) Power on the mic/receiver, match the same FM frequency of the receiver and FM Radio(Car/Bus)(For example: 89.8MHz to 89.8MHz)
2) Then the microphone's voice will be transmitted from receiver to FM Radio
3) If you need background music, you can plug the receiver into speaker and connect Receiver via Bluetooth to play music. Now you can sing all the way!

Tips:
If you have any problem, please must contact with us. Click Sold by "Kithouse Direct", then leave a message to us.
About 18650 battery, we can buy battery like "EBL 18650 battery". Must buy cusp 18650 battery, not flat top 18650 battery. The receiver also can charge 18650 battery with USB port, so you don't need to buy a separate charger! If you don't buy 18650 battery, we also can use USB charging cable(Package included) to power the Receiver!
No voice problem: The working indicator of mic and receiver is both on - It means the product has no problem. And if you are also using 6.35mm to 3.5mm converter, it's the problem of the little converter(Not connect well). So please don't use converter, and try to plug the receiver port directly into big speaker(6.35mm port), the mic will work well.
To avoid statics, before using, please turn down the volume of speaker, then gradually turn up.

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  • UHF Wireless Microphone with Bluetooth Receiver - No need to set, just plug and use. A Great Gift for family or friends!
  • Designed for Outdoor Karaoke Speaker, PA Speaker System, Power Amplifier, FM Radio, etc(Notice: Not For Phone, PC).
  • More than 50 feet range, CH01-CH10 UHF band, Frequency Response 50Hz-18kHz, SNR >70dB, Distortion <0.5, Receiver with Bluetooth function to play background music, also a FM microphone.
  • All batteries are not include in package. Microphone use 2 x AA batteries, Receiver use 1 x cusp 18650 lithium battery(Not flat top 18650 battery). If don't buy 18650 battery, we also can use USB charging cable(Package included) to power the Receiver!
  • 100 customer satisfaction, 90 days money back service. If you have any problem, please must contact with us. Click Sold by "Kithouse Direct", then leave a message to us. Thanks for choosing Kithouse Brand!








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1byone High Gain Low Noise HDTV Antenna Amplifier Signal Booster for TV HDTV Antenna with USB Power Supply, Boost Any Non-amplified TV Antenna up to 15 Miles Range Gain 20dB Color White

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Description:

1byone High Gain Low Noise HDTV Antenna Amplifier Signal Booster

Technical Data:

Frequency Range: 47 - 862MHz
Gain: 20dB
Output Level: 100dBuV
Noise Figure: less than 4dB
Power Supply: DC 6V 100mA by external adapter or DC 5V from USB source
Works with any non-amplified / passive tv antennas
Clear Circuit Technology increases range and channels
Energy saving USB power supply with LED power indicator

Perfect TV Antenna Amplifier

This amplifier is a perfect accessory to boost signal for your passive antennas. Boost Any Non-amplified TV Antenna up to 15 Miles Range.
White color is designed for white or light color passive antennas.

About Antennas Performance

Channel reception depends on what's being broadcast in your area, how far away you are from broadcast towers and your surroundings. (i.e. obstructions between you and the towers). Visit tvfool.com website and enter your address or zip code for details about the towers near you. This information will assist in selecting the correct antenna model and aiming your antenna for the best results.

We do NOT recommend using this amplifier/booster if your house is very close to the broadcast tower and the signal is already very strong. The amplifier may cause self-oscillations and result in fewer signals received. Do remember to power it when using this booster.

Important Troubleshooting Steps

- Please do remember to power the amplifier when in use, for this amplifier need power to work properly.
- If customers use the amplifier but only to find the signal is not strong, please try moving your antenna to a different location - it is best to place the antenna in line of sight with the TV tower(s) and avoid obstructions. Do remember to do a channel scan every time you move your antenna.

Buyer Guarantee

1byone 24 months Warranty assures you of its superior build quality. Note: Get 1byone tv antenna amplifier for better reception.

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  • This amplifier/booster can enhance signals weakened by obstructions between you and your local broadcast towers.
  • The number of channels you can receive is determined by what's being broadcast in your area. Channel reception is dependent upon distance from broadcast towers, terrain, surroundings, and weather.
  • Check out what channels are available in your area first and how many you are able to receive. If your TV picture is not crystal clear, or you cannot receive the weak signals from far away towers, use this amplifier to boost the weakened signals.
  • We do NOT recommend using this amplifier/booster if your house is very close to the broadcast tower and the signal is already very strong. The amplifier may cause self-oscillations and result in fewer signals received.
  • We offer a 90-day money back guarantee if you find this amplifier does not help to strengthen received signals.




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Elenco AM/FM Radio Kit Switch Between ICs & Transistors Lead Free Solder Great STEM Project Superheterodyne Designed to AM and FM Broadcasts SOLDERING REQUIRED

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Description:

Learn about AM and FM radio technology and the the functional components used in creating AM-FM receivers and amplifiers. 56 page training course is divided into 9 lessons; Audio Amplifier, AM Detector, AM IF, AM Amplifier, AM Mixer & Oscillator, FM Detector, 1st FM IF, 2nd FM IF, FM RF Stages. Superheterodyne designed to receive standard AM and FM broadcast frequencies. New transistor module allows you to switch between the modern integrated circuit (IC) technology and the original transistor technology. Includes radio mounting stand. PLEASE NOTE: The AM/FM Radio project is divided into two parts, the AM Radio Section and the FM Radio Section. Initially, only identify the parts that you will need for the AM radio as listed in the manual. DO NOT OPEN the bags listed for the FM radio. A separate parts list will be shown for the FM radio after you have completed the AM radio. 9 volt battery needed but not included.

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  • Do & Learn - Soldering Required
  • 56 page Training Course is divided into 9 lessons
  • Audio Amp, AM Detector, AM IF, AM Amp, AM Mixer & Oscillator, FM Detector, 2 x FM IF, FM RF Stages
  • Electronics training course appropriate for High School and University level curriculum
  • "Superheterodyne" designed to receive standard AM and FM broadcast frequencies
  • "Superheterodyne" receiver of AM and FM broadcast frequencies
  • Unique PCB design lets you place parts over corrosponding symbols on the printed circuit board
  • Detailed manual is included to provide easy instruction
  • Theory of operation for each section explains what the stage was designed for, and how it works
  • For more than 30 years Elenco has been developing reliable and affordable electronic test equipment, tools, and educational kits





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Oliviavan Men Short Sleeve Top Spring Summer Fashion Personality Printing O-Neck T-Shirt White

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Description:


Season:Summer
Gender:Mens
Occasion:Casual,
Material:Cotton blend
Pattern Type: Print
Style:Casual,
Collar:O-Neck
Length:Regular
Sihouette:Pencil
Fit:Fits ture to size
Thickness:Standard
How to wash:Hand wash Cold,Hang or Line Dry
What you get:1PCMens Tops
Size:M Bust:94-102cm/37.0-40.2" Shoulder:43cm/16.9" Sleeve:17cm/6.7" Length:65cm/25.6"
Size:L Bust:98-106cm/38.6-41.7" Shoulder:45cm/17.7" Sleeve:18.5cm/7.3" Length:67cm/26.4"
Size:XL Bust:102-110cm/40.2-43.3" Shoulder:47cm/18.5" Sleeve:19.5cm/7.7" Length:69cm/27.2"
Size:2XL Bust:106-114cm/41.7-44.9" Shoulder:49cm/19.3" Sleeve:20cm/7.9" Length:71cm/28.0"
Size:3XL Bust:110-118cm/43.3-46.5" Shoulder:52cm/20.5" Sleeve:20.5cm/8.1" Length:73cm/28.7"

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Corriee Womens Bodysuit Sleeveless Athletic One Piece Bodycon Romper Jumpsuit Black

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Description:

Welcome to Manchong. Wish you have a pleasant shopping experience.

Gender:Women

Waistline:Natural

Fabric Type:Polyester

Sleeve Length:Sleeveless

Decoration:None

Sleeve Style:Regular

Pattern Type:Solid

Style:Sexy&Casual

Material:Polyester

Package include:1PC RomperAttention:

1. You will receive the goods shipped form China approximately 15-20 working days after placing your order.

2. You'd better buy one size bigger than usual since Asian size is smaller than American size. Pls check the size chart carefully.

3. Pls allow 1-2 cm measuring deviation due to manual measurement. (1 cm=0.39 inch; 1 inch=2.54 cm)

Size Referance: (Unit: cm/inch)

Size:SBust:80100cm/31.50"39.37"Waist:7896cm/30.71"37.80"Length:132cm/51.97"

Size:MBust:84104cm/33.07"40.94"Waist:82100cm/32.28"39.37"Length:133cm/52.36"

Size:LBust:88108cm/34.65"42.52"Waist:86104cm/33.86"40.94"Length:134cm/52.76"

Size:XLBust:92112cm/36.22"44.09"Waist:90108cm/35.43"42.52"Length:135cm/53.15"

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2019 Easter Cotton Square Rabbit Print Throw Pillow Case Waist Cushion Cover Home Car Decor 18 18 Inch by Fulijie

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Description:

Size detail:

Size:45cm*45cm/18"*18",Material:Linen Cotton

About Fulijie Pillow Case:

Q1: Is it true for dimensions?

Answer: Yes, check the size of the product details before buying.Please allow 2 -3 cm differs due to the manual measurement.

Q2: How should I take care of my new pillow case?

Answer: Wash it under water of 40 degrees or hand wash, do not dry, iron.Do not wash with bleach. Not shrinkable. wash separately.

Q3: What is the material on Fulijie Pillow Case?

Answer: This pillowcase is made of linen cotton, very soft and comfortable.

Q4: where is the pillow case suitable for?

Answer: Elegant design, perfect for place on the sofa, coffee shop, library, book store, party, club.

Q5: How does the replacement or refund service work?

Answer: do not worry: 100 percent of the shopping experience is satisfactory. Send or accept unconditional for any quality problem and offer a cordial customer service for life!

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  • Size:45cm*45cm/18"*18",Material:Linen Cotton
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HYS TC-300N HF Transceiver HF Power Amplifier Handheld Amateur CB Radio

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Description:

This model can be amplify for HF radio.

1.Turn on/off switch

2.Auto receive/transmit switch

3.Electrode reversal protect

Specifications

Frequency range:HF

Operate voltage:12-14 Vcc

Input current/POWER:14-20 A

Input power:3-5 W

Input power SSB:2-10 W

FM Output power:PEP Max 150 W(Input 10W)(Note: Note:Normal the output power is 70-100W)

AM Output power:PEP Max 150 W(Input 10W) (Note:Normal the output power is 70-100W)

Output power SSB:300 W(Input 10W) PEP Max 250W (Input 5W ) PEP Max(Note:Normal the output power is 120-250w)

Working mode:FM- AM-CW-SSB

Note:if you will test the max PE power to FM/AM 150W or SSB 300w,you can try use input 10w from FM/AM /SSB radio but please don't use too long time, the operate will cause damage to power transistor, more serious will cause the amplifier to burn out.

Blown fuse:2x12 A

Dimension:109x225x35 mm

Net weight:750 g.

Product Description

Compact high power all mode amplifier with

automatic TX/Rx switch and On/Off switch. Electronic switch.

Inversion polarity protection.

It will decrease the amp' life time and also if the antenna can not endure the output watt, which will damage the amp.

Packing Incudes:1*TC-300N Amplifier

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  • HF Amplifier best effect Frequency range:20-30mhz.( Works on 15 meter, 12 meter and 10 meter)
  • HF amplifier bellow 20Mhz the output power will be lower and vswr will be higher than 20-30Mhz.Connection of antenna is very important for low frequency product , the effect of the antenna will seriously affect HF amplifier effect.
  • MINI FUN FUNICATION: "High Rotaion Spead" Fan is designed for a better heat dissipation funication.
  • Operate voltage 13.8Vcc.Input current/POWER:14-20 A. Input power(FM/AM/CW):3-5 W Input power (SSB):2-10 W.Compact high power all mode amplifier with automatic TX/Rx switch and On/Off switch.
  • The amplifier different model ,such as FM,AM,SSB,CW.Please learn about how to operate when you want to purcahse.Or ask for us and give professional advice.








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MicroBypass Parking Brake Override Bypass for Alpine

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Description:

Alpine Automatic Parking Brake Override Bypass for Video in Motion Activation Interface and Simple How to Install Instructions Included. SIMPLE 4-wire installation (connects to radio's amplifier remote, ground, foot brake, and parking brake wires)

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  • Video in Motion Activation
  • No Programing Require with Simple Installation
  • Automatic Parking Brake Override Bypass
  • All Connections Made at the Back of the Radio
  • Works with all Aftermarket Alpine Video and Navigation units
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MISYAA Kids Room Wall Stickers Kids Safety Wall Sticker Living Room Bed Room Wall Light Stickers DIY Home Decor(D)

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Description:


(**) Welcome to MISYAA! MISYAA is a fashion store that focuses on Home Decor.

We have all kinds of fashion items. Please Search MISYAA and start your online shopping for your lovely home.

If you don't love our products, simply return them without question within 30 days.

Select your favorite color and "Add to Cart" now.

Product information:

100 brand new and high quality.

Quantity:1PC

Non-toxic, environmental protection, waterproof

Size:About 21cm*29.7cm

Material:PVC

Can be applied to any smooth surface, such as glass door, window pane, ceramic tiles in kitchen or bathroom, glasses, home appliance, air-condition, and car body Layout size

How to use:

Choose a smooth, clean and dry surface. Peel the stickers from the sheet one by one

Position the adhesive on a plane surface without pressing them, so that it let's possibility to withdraw them and reposition again,if needed.

If the result is satisfactory for you, stick firmly to the surface pressing the air bubbles outwards.

If you have bubbles, take a needle to bore them..

Clean the smooth surface before sticking it on

Package Content:

1PC Removable Art Decal Mural Home Room Decor Wall Sticker(without retail package)

(_) If you have any questions, please feel free to contact us via email.

We offer flexible refund and exchange service. May you have a good time shopping in MISYAA!

You are always welcomed to explore more items you need in MISYAA!

Thanks(**)

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How car amplifiers work