 |
 Philips SDV8622T 18dB Amplified Digital TV Antenna  US $59.99
|
 Philips Magnavox Antenna Indoor Amplified SCA050 UHF VHF FM HDTV US $9.99
|
 Terk Indoor HDTV Antenna US $9.99
|
 Digital High Gain Indoor HDTV Antenna Motorized for DTV US $59.95
|
 rca hdtv amplified antenna US $9.99
|
 Mohu Leaf Amplified HD Indoor HDTV Antenna Xint Condition N R US $36.00
|
 HDTV UHF VHF TV DIGITAL ANTENNA Indoor amplifier boost1 US $14.99
|
 AX 929 G5 Hybrid digital TV antenna motorized 100 Miles US $60.00
|
 RCA AMPLIFIED INDOOR ANTENNA US $15.00
|
 Trek Flat Digital Antenna HDTV 1080 US $49.99
|
 Ge 24775 QuantumTM Amplified Hdtv Antenna US $7.99
|
 HDTV REMOTE CONTROLLED HD TV ANTENNA VHF UHF DIGITAL High Def Antena Amplified US $39.99
|
 RCA ANT1650 Flat Indoor VHF UHF HDTV Amplified TV Antenna US $11.00
|
 RCA ANT1450 Amplified HDTV Indoor TV Antenna US $9.99
|
 TERK AF 1 Radio antenna Indoor US $5.50
|
 HDTV Antenna PURE AV Belkin Used Nice US $11.99
|
 470 860MHZ DVB T Antenna 5dbi with extension cable RG58 DVB TV connector US $40.28
|
 DVB TV HDTV Digital Freeview 10dBi Antenna Aerial TV plug US $23.00
|
 HDTV Indoor Antenna US $8.50
|
 HDTV Indoor Outdoor Antenna US $12.95
|
 Brand New Terk BDD 32 Dual Indoor Outdoor Diplexer 3 IN 2 OUT US $8.99
|
 RCA ANT1650R Flat Antenna BLACK US $31.52
|
 Antenna digital and HDtv indoor UHF VHF FM stereo US $9.90
|
 RCA Amplified Indoor Off Air HDTV Antenna US $5.00
|
 TERK AMPLIFIED HDTV INDOOR ANTENNA $70 US $10.32
|
 RCA Multi Directional Digital Flat Amplified Antenna US $9.99
|
 Radio Shack Amplified Indoor AM FM Antenna 15 1859 New In Box US $9.95
|
 TUNE TRAPPER HIDDEN HOME INDOOR FM STEREO RADIO ANTENNA HAND MADE IN USA US $39.99
|
 Open Air Ant TV Sig Distr Box Channel Master 3418 Video Amplifier PCT MA2 BP US $43.99
|
 |
RCA TVPRAMP1R Outdoor Antenna Preamplifier List Price: $39.99 Sale Price: $19.03  |
|
RCA TVPRAMP1R Outdoor Antenna Preamplifier |
 |
UHF VHF TV SIGNAL BOOSTER AMPLIFIER HDTV ANTENNA CABLE Sale Price: $13.98 |
|
Professional grade amplifier. 36db gain designed for use in medium to large distribution systems amplifying signals from 40MHz to 900MHz, so it works especially well amplifying cable TV and HDTV signals in homes with multiple TVs and/or long cable runs... |
 |
Paper Thin Leaf Indoor HDTV Antenna - Made in the USA! List Price: $49.99 Sale Price: $34.99 Used From: $32.95 |
|
The patent pending Leaf indoor television antenna is a paper thin antenna that connects to your TV and mounts on the wall, behind a picture, or just about anywhere to enable you to receive free over-the-air broadcasts... |
 |
SA-FM15 Caliber 15db Antenna Signal booster Amplifier AM FM Car Boat Rv Cb Sale Price: $9.99 |
|
AMPLIFIES WEAK RADIO SIGNALS UP TO 10X IDEAL FOR USE IN CARS, TRUCKS, CB'S AND RV'S MODEL #: SA-FM15 EASY INSTALL: HOOK POWER AND GROUND, PLUG ANTENNA CABLE IN AMPLIFIER IN, PLUG ANTENNA OUT FROM AMPLIFIER TO RADIO... |
 |
RCA AMP1450R Digital Amplifier for Indoor Antenna List Price: $24.99 Sale Price: $13.56 |
|
The RCA AMP1450R Digital Signal Amplifier for Indoor Antennas helps enhance the performance of all passive indoor antennas. It was engineered specifically for digital signals but it also supports analog signals... |
|
TV ANTENNA SIGNAL BOOSTER AMP AMPLIFIER HDTV UHF VHF DTV CABLE INDOOR OR OUTDOOR Sale Price: $18.89 |
|
Professional grade amplifier. 36db gain designed for use in medium to large distribution systems amplifying signals from 40MHz to 900MHz, so it works especially well amplifying cable TV and HDTV signals in homes with multiple TVs and/or long cable runs... |
 |
Antennas Direct CPA19 ClearStream Pre-Amplifier Kit List Price: $79.99 Sale Price: Too low to display |
|
clearstream pre amplifier kit is a breakthrough in low noise and overload. in an affordable & compact design. the first commercial grade low noise antenna pre amplifiers designed and optimized for digital tv reception... |
 |
Winegard ANWI8700 Winegard AP Signal Amplifier List Price: $79.99 Sale Price: $28.95 Used From: $26.27 |
|
Features 75 or 300 ohm input for convenience and easier installation. Universal housing can be used with any off-air TV antenna. Made of high impact ABS material, mast mounted for easy installation. Flexible polyethylene boot covers on 75 ohm; hinged cover on 300 ohm models keep connections clean, dry, weather-protected... |
 |
RCA ANT1450BM Refurbished Multi-Directional Digital Flat Amplified HDTV Antenna (Black) List Price: $36.00 Sale Price: $13.76 Used From: $12.09 |
|
RCA digital flat amplified home theater antenna is multi-directional and receives free uncompressed digital signals. Broadcast digital TV gives you more free channels, easy to use effective parental controls and enhanced services such as ditigal closed-captioning... |
 |
Leaf Plus Amplified Indoor HDTV Antenna List Price: $84.99 Sale Price: $73.99 |
|
Leaf Plus HDTV Antenna |
Antenna Amplifier
Car Amplifiers: for Clear and Consistent Sound
An amplifier is a device used for increasing the power and amplitude of a signal. The amplifiers are considered as modulating the output of the power supply. As a matter of fact, these devices take the power from a power supply and control the output to match the input signal shape, but mind it with larger amplitude. The car amplifiers as the name specifies determine the final audio output of your car stereo. It gives loud and clear sound on a consistent basis.
The connection structure is one of the important feature of a car amplifier. The selection of location for the amplifier is of an utmost important. One must always select the place that has a good air circulation. In fact, the airflow is a major consideration, as the electronics used in these amplifiers produce a lot of heat which can damage the components. The preferred place in a car for amplifiers could be in a trunk or under a seat, for instance.
Apart from this, it is always advisable that owner of the car must use cables with competitively larger diameters such as RCA cables. It helps the owner to connect the low level output of the radio or stereo to the low level input of the amplifieractory-installed receivers. This only comes with speaker-level inputs which requires special adaptors. Another important aspect to be taken care of is- the connection between the power antenna lead from the radio to the amplifier. It is always recommended that you connect the ground power cables before the RCA cables, as it helps to avoid damage.
Therefore, while installing an amplifier in a car one requires a power kit and RCA cables. A power kit contains the wiring that is needed to run power wires from the amplifier to the battery. The kit also includes a ground wire, fuse and fuse holder. This helps the users to add on additional car amplifiers in the future. On other hand, the RCA cables carry the sound signal from the amplifier to the radio. The RCA cable will run from the amplifier and connect to the RCA or pre-amp outputs on your radio.
While adding an amplifier in a car it is important to know about the speakers limitations. As a matter of fact, most factory speakers might not do well with an amplified signal, so must upgrade accordingly. One must look for the ratings of continuous power or RMS. These ratings will give the best indication about how much power the speakers can hold. Later on, the users must match this rating with the amplifier rating. It will ensure the users that they are getting everything out of the system.
The users must pay attention to ohms and power ratings. It should match accordingly. As a matter of fact, combining multiple speakers on one channel always affects the ohm rating of the system. It could be harmful if the system is not designed for it. Subwoofer amplifiers for instance, tend to be more forgiving due to their low impedance (ohms) ratings and flexibility.
To conclude, it can be said that while installing the amplifier in the car, one must make sure that amplifier gets enough air circulation to keep from overheating.
About the Author
Know more about car speakers and subwoofers and car audito and video system here.