Signal Amplifiers & Filters

signal amplifiers & filters — pre-owned

3,719listings

Browse 3,719 signal amplifiers & filters — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

24dB TV Antenna Digital Signal Booster Amplifier for HDTV with 3ft Coax Cable
UsedBuy It NowBest Offer

24dB TV Antenna Digital Signal Booster Amplifier for HDTV with 3ft Coax Cable

Perfect For: This 24db distribution amplifier is used to strengthen signal reception from your antenna to TV, providing high output capability with minimal distortion. Includes: 1 TV Antenna Distribution Amplifier and 1 RG6 coax cable.

$28.74
Free ShippingSpanish Fork, US
cimple_co
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99.6%Excellent· 1.8k
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Jensen Transformer VBH-1BB Video Ground Loop Corrector
UsedBuy It NowBest Offer

Jensen Transformer VBH-1BB Video Ground Loop Corrector

With bandwidth that extends from DC to 900 MHz and super-low 0.05 dB insertion loss, you can expect excellent picture quality, free of the visible effects of video interference.

$175.00
See listingRutherford, US
vintagetreasures4sale
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100.0%Excellent· 719
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Blonder Tongue MAVM-861 Series Audio/Video Modulator  OFM-40-860 & AB-800 Switch
-15%
UsedBuy It NowBest Offer

Blonder Tongue MAVM-861 Series Audio/Video Modulator OFM-40-860 & AB-800 Switch

Item was acquired in surplus. Product Color May Slightly Vary Due to Photographic Lighting Sources or Your Monitor Settings.

$38.25$45.00-15%

You save $6.75

+$5.95Snellville, US
peachstatesurplus
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99.9%Excellent· 809
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PICO MACOM PCM55SAW 550 MHz PLL Saw-Filtered Audio/Video Modulator
-20%
UsedBuy It NowBest Offer

PICO MACOM PCM55SAW 550 MHz PLL Saw-Filtered Audio/Video Modulator

We will be happy to resolve the issue and work out a solution with you. We cannot give you a price quote. This applies to International Orders.

$40.00$50.00-20%

You save $10.00

+$10.99North Brunswick, US
augmentedit
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99.8%Excellent· 12.4k
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USED Televes SmartKom Intelligent Amplifier 531983 = 531982 = 550280
TOP
UsedBuy It Now

USED Televes SmartKom Intelligent Amplifier 531983 = 531982 = 550280

$179.99
+$9.00Lakeland, US
wtgg999999TOP
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100.0%Excellent· 5.3k
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AVTECH Room Alert 32E Environment Monitoring System (B3500)
TOP
UsedBuy It Now

AVTECH Room Alert 32E Environment Monitoring System (B3500)

This item has been successfully tested for power on. Grade B - Normal signs of wear and tear. Has clearly been used. May include minor scratches and dents. Could have marker writing on unit. May have stickers and tape residue.

$46.45$49.95-7%

You save $3.50

Free ShippingHouston, US
rakicomputersTOP
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99.7%Excellent· 112.0k
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SONANCE DSP 8-130 MKII AMP 1160W 8.0-CHANNEL AMPLIFIER | DSP8-130MK2
UsedBuy It NowBest Offer

SONANCE DSP 8-130 MKII AMP 1160W 8.0-CHANNEL AMPLIFIER | DSP8-130MK2

Dsp 8-130 Mkii. The item listed above has been fully tested and is in good working condition. It is a used item and may show typical signs of wear, such as chipped corners, marks, small dents, or scratches.

$329.99
Free ShippingBrooksville, US
regencytechnologies
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99.7%Excellent· 180.9k
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SOLiD SMDR-NH124 700LTEF+850C Module  (ROU Module)
UsedBuy It NowBest Offer

SOLiD SMDR-NH124 700LTEF+850C Module (ROU Module)

SOLiD SMDR-NH124 700LTEF+850C Module (ROU Module) . - Used unit- active when replaced (full system upgrade).

$129.99
+$10.00Jefferson, US
machan-1056
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98.6%Excellent· 193
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Channel Plus Model 5545 Quad Digital Modulator
UsedBuy It Now

Channel Plus Model 5545 Quad Digital Modulator

Does not include power supply!

$35.00
Free ShippingCleveland, US
ohio-stuff-4-sale
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99.1%Excellent· 1.7k
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Channel Master CM-7779HD Preamp 1 TV Antenna Amplifier with 5G LTE Filter
UsedBuy It NowBest Offer

Channel Master CM-7779HD Preamp 1 TV Antenna Amplifier with 5G LTE Filter

The Channel Master CM-7779HD Preamp is a power amplifier designed for TV antennas. It features a 5G LTE filter to improve signal quality and has one input and one output, both in coaxial RF/F-type format. The sleek black design and compatibility with antennas make it a practical and high-quality option for enhancing your TV viewing experience. With the Channel Master brand known for its reliable electronics products, the CM-7779HD Preamp is a top choice for signal amplification.

$90.00
See listingPortland, US
niminn-68
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100.0%Excellent· 23
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Channel Master Model 0747 Antenna Amplifier Power Supply 120 VAC 60 Hz 6 W
UsedBuy It NowBest Offer

Channel Master Model 0747 Antenna Amplifier Power Supply 120 VAC 60 Hz 6 W

The Channel Master Model 0747 Antenna Amplifier Power Supply is a white power amplifier designed for use with UHF antennas. With a power output of 6W and digital coaxial RCA audio outputs, this amplifier is suitable for enhancing signal strength and quality. Its compact design and compatibility with various antenna types make it a practical choice for improving TV and video reception. The product includes one input and one output, and operates on standard 120VAC power supply. Ideal for home entertainment systems, this Channel Master antenna amplifier is a reliable accessory for enhancing your viewing experience.

$24.99
Free ShippingLima, US
gotta_have_it_62301
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100.0%Excellent· 3.8k
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Shelf 36: EXTRON DISTRIBUTION AMPLIFIER MDA 3SV (33-1720-02)
-60%
UsedBuy It NowBest Offer

Shelf 36: EXTRON DISTRIBUTION AMPLIFIER MDA 3SV (33-1720-02)

If it is not pictured that it is not included. - EXTRON DISTRIBUTION AMPLIFIER MDA 3SV. - ready to be put to great use. What you will receive .

$20.00$49.99-60%

You save $29.99

Free ShippingSpring, US
houstonliquidator
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99.9%Excellent· 10.9k
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Blonder Tongue Laboratories AM Series Agile Modulator Model 59411 AM60-450
TOP
UsedBuy It NowBest Offer

Blonder Tongue Laboratories AM Series Agile Modulator Model 59411 AM60-450

The Blonder Tongue Laboratories AM Series Agile Modulator Model 59411 AM60-450 is a high-quality unit designed for signal amplification in TV and video systems. With two inputs and two outputs, this agile modulator offers flexibility and versatility for various video signal processing needs. Made in the United States, this unit is powered by 117V 60Hz and features a sleek black and silver color design. The Blonder Tongue brand ensures reliability and performance in the field of TV, video, and audio accessories.

$74.95
Free ShippingHampton, US
andylandrum902011TOP
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100.0%Excellent· 1.6k
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Blonder Tongue RMDA-550-30 Broadband Distribution Amplifier CATV 5500-53
UsedBuy It NowBest Offer

Blonder Tongue RMDA-550-30 Broadband Distribution Amplifier CATV 5500-53

Blonder Tongue Laboratories RMDA Series Broadband Distribution Amplifier Model: RMDA-550-30 Stock No.: 5500-53 Unit powers on and the power indicator light turns on. No further testing performed. Condition: Used with normal signs of age and storage (scratches, dust). See photos for details. Front panel controls include Gain and Slope adjustments, Input Test and Output Test ports. Power: 117V, 60Hz Only the amplifier shown in photos is included. No cables or accessories. Sold as untested beyond power-on. 1584

$39.99
See listingLos Angeles, US
andrekazakov
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98.9%Excellent· 999
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LOT 4 Blonder Tongue AMCM-860  Module
For parts or not workingBuy It Now

LOT 4 Blonder Tongue AMCM-860 Module

$99.99
+$25.00Milton Freewater, US
buyhitek
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99.4%Excellent· 44.0k
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Blonder Tongue Laboratories BIDA-ARP Series Broadband Amplifier BIDA-55A-50
UsedBuy It NowBest Offer

Blonder Tongue Laboratories BIDA-ARP Series Broadband Amplifier BIDA-55A-50

Disclaimer : ebay likes to autofill information sometimes when it thinks it knows whats being posted, please do your own research online about this amplifier before purchasing so that there is no confusion on being misrepresented. if you have any questions please private message me. comes with power supply shown in photos.

$45.00
See listingGranville, US
broganrose
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99.7%Excellent· 589
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Shelf 36: Extron PS 124 12VDC 4A Power Supply (33-1720-02)
-60%
UsedBuy It NowBest Offer

Shelf 36: Extron PS 124 12VDC 4A Power Supply (33-1720-02)

If it is not pictured that it is not included. - ready to be put to great use.

$24.00$59.99-60%

You save $35.99

Free ShippingSpring, US
houstonliquidator
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99.9%Excellent· 10.9k
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Perfect Vision Head End Distribution Amplifier PVCA-3051RK Tested Working Rack
UsedBuy It NowBest Offer

Perfect Vision Head End Distribution Amplifier PVCA-3051RK Tested Working Rack

The Perfect Vision Head-End Distribution Amplifier - PVCA-3051RK is a reliable and tested working product designed for amplifying and distributing signals in TV and video systems. With its brand reputation of Perfect Vision, this distribution amplifier ensures quality performance and compatibility with various devices. The model PVCA-3051RK is known for its effectiveness in boosting signals and providing a clear picture quality, making it an ideal choice for improving your viewing experience. See photos for condition! Smoke-free home! If clothing, photos also includes measurements!

$69.99
Free ShippingSan Antonio, US
bearandbison
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100.0%Excellent· 1.3k
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RCA TVPRAMP1Z Outdoor Digital Signal Preamplifier/Signal Booster
UsedBuy It NowBest Offer

RCA TVPRAMP1Z Outdoor Digital Signal Preamplifier/Signal Booster

Everything appears to being good condition I have no way to further test

$35.87
Free ShippingLisle, US
pa995134
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99.8%Excellent· 594
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CommScope Cable TV Amplifier 9 Port Unity Gain Used but tested Guaranteed
UsedBuy It Now

CommScope Cable TV Amplifier 9 Port Unity Gain Used but tested Guaranteed

The ninth port is for VOIP, data, or modem.

$17.99
Free ShippingArvada, US
micjoh_6847
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100.0%Excellent· 662
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Blonder Tongue BAVM-860SAW Audio/Video Modulator
UsedBuy It NowBest Offer

Blonder Tongue BAVM-860SAW Audio/Video Modulator

The Blonder Tongue BAVM-860SAW Audio/Video Modulator is a device that allows you to modulate audio and video signals, making it ideal for various applications such as cable television systems or satellite TV. With its specific model number BAVM-860SAW, this modulator is designed by the trusted brand Blonder Tongue, ensuring quality and performance. Whether you need to amplify or filter your TV and audio signals, this product is a reliable choice for your home entertainment setup.

$25.00
See listingCanon City, US
rock3812123
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99.9%Excellent· 1.7k
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BIRDDOG Play 4K NDI Player
UsedBuy It NowBest Offer

BIRDDOG Play 4K NDI Player

Model BirdDog BDPLAY. Flash & Lighting. Type Signal Converters. Computers & Accesories. Binoculars & Spotting Scopes. Batteries & Power.

$120.69
Free ShippingLong Island City, US
downtownphoto
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99.7%Excellent· 50.0k
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Versa Tools Extron MDA 5V Distribution Amplifier
UsedBuy It NowBest Offer

Versa Tools Extron MDA 5V Distribution Amplifier

$30.00
Free ShippingSauk Rapids, US
seller_road
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100.0%Excellent· 50
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Commodore 904778-01 Game to TV Antenna VHF Switch Adapter
UsedBuy It NowBest Offer

Commodore 904778-01 Game to TV Antenna VHF Switch Adapter

The Commodore 904778-01 Game to TV Antenna VHF Switch Adapter is a versatile accessory designed to connect game consoles or other devices to a TV antenna. This switch adapter connector, featuring a sleek black and silver design, is specifically designed for VHF bands and is compatible with various antennas. With the model number P/N 904778-01, this adapter ensures seamless integration and reliable signal transmission, making it an essential addition to your TV and video accessories collection.

$9.87
Free ShippingCovington, US
worms_treasures
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99.5%Excellent· 2.8k
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Commscope AC Adapter Power Supply Model: AD48-1500500DU CSAPAE415V500 15V 500ma
-2%
UsedBuy It Now

Commscope AC Adapter Power Supply Model: AD48-1500500DU CSAPAE415V500 15V 500ma

These AC adaptors are in good used condition. They have been tested and show a green light when powered on.No further testing has been done.

$22.45$22.83-2%

You save $0.38

Free ShippingJoppa, US
wobbly.werks
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100.0%Excellent· 164
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USED Televes Mast Amp w/ BOSS-Tech and “F” Power Supply Unit - 1 input (560383)
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UsedBuy It Now

USED Televes Mast Amp w/ BOSS-Tech and “F” Power Supply Unit - 1 input (560383)

This mast-mounted preamplifier features one input covering the entire TV band and can be used with any TV antenna (VHF, VHF/UHF or UHF). Unique to Televes, the new T-Force preamplifier family features automatic gain control ensuring an optimum amount of signal is delivered at all times despite changes in the receiving conditions and avoiding over or under amplification situations. The automatic gain control is independent per band so that adjustments to the UHF channels do not impact VHF channels and vice-versa. It features high gain and powerful output level while the high screening cast metal chassis ensures best-in-class electromagnetic shielding protection. Cast metal and high-grade ABS plastic construction for reliable outdoor installation withstanding the harshest elements.

$62.99
Free ShippingNovi, US
solid_signalTOP
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100.0%Excellent· 17.5k
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Blonder Tongue 4121 SA-7U Attenuator Slide Switch Module 1Db-20Db 0-900MC USA
UsedBuy It Now

Blonder Tongue 4121 SA-7U Attenuator Slide Switch Module 1Db-20Db 0-900MC USA

The Blonder Tongue 4121 SA-7U Attenuator Slide Switch Module is a high-quality signal amplifier designed in the United States.

$20.00
See listingGrand Rapids, US
ebuyingstore
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99.8%Excellent· 5.2k
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Blonder Tongue MAVM-861 Audio Video Modulator
TOP
UsedBuy It NowBest Offer

Blonder Tongue MAVM-861 Audio Video Modulator

The Blonder Tongue MAVM-861 Audio Video Modulator is a high-quality unit designed for modulating audio and video signals. Made in the United States by the reputable brand Blonder Tongue, this modulator is a reliable and efficient tool for enhancing your TV and video experience. The sleek black design adds a touch of elegance to any home entertainment setup, while the unit quantity of 1 ensures that you have everything you need for a seamless audio and video experience. Upgrade your TV and video accessories with this top-notch modulator for superior performance.

$58.95
Free ShippingHampton, US
andylandrum902011TOP
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100.0%Excellent· 1.6k
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Antennas Direct CDA4 HDTV Drop Amplifier Coax Signal Booster
For parts or not workingBuy It Now

Antennas Direct CDA4 HDTV Drop Amplifier Coax Signal Booster

Selling "For Parts" because it is missing the coaxial power plug.

$49.99
+$5.00Woodbridge, US
randomfindsoudonthaveto
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99.9%Excellent· 1.1k
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PFAM550MT PICO MACOM CATV Microprocessor-Control Agile A/V Modulator
UsedBuy It NowBest Offer

PFAM550MT PICO MACOM CATV Microprocessor-Control Agile A/V Modulator

The PFAM550MT PICO MACOM CATV Microprocessor-Control Agile A/V Modulator is a black audio modulator designed for TV and video applications. It features a VHF band with a signal gain of 20dB and one output. With coaxial RF/F-type audio inputs, this Pico model offers a versatile and efficient solution for controlling agile A/V modulation. This microprocessor-controlled modulator is ideal for signal amplifiers and filters in consumer electronics setups, providing reliable performance for various audio and video devices.

$38.00
See listingHouston, US
281fermin
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100.0%Excellent· 373
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Pico Pro PM45 Audio Video RF Modulator PLL SAW Filter NTSC 110V
UsedBuy It NowBest Offer

Pico Pro PM45 Audio Video RF Modulator PLL SAW Filter NTSC 110V

Pico Pro PM45 Audio / Video RF Modulator. Professional CATV / AV modulator used to convert composite audio-video signals into an RF television channel for distribution through coaxial cable systems. Commonly used in cable TV systems, hotels, security systems, and video distribution setups. Specifications: • Brand: Pico / Pico Macom • Model: PM45 • Type: Audio / Video RF Modulator • System: NTSC • Power: 110V / 60Hz • PLL synthesized channel control • SAW filtered output Unit shows normal cosmetic wear from use. Please review photos for exact condition. Feel free to message with any questions.

$30.00
See listingSan Diego, US
thatsmybestprice
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98.9%Excellent· 108
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Rare Vintage Cobra Venom CATV RF Signal Converter Korean
UsedBuy It NowBest Offer

Rare Vintage Cobra Venom CATV RF Signal Converter Korean

Powers on but is otherwise untested sold as is. Unit is in good cosmetic condition

$85.47
See listingEphrata, US
ethanweaver
Feedback
99.6%Excellent· 276
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Shelf 36: Extron MPA 152 Mini Power Amplifier
-60%
UsedBuy It NowBest Offer

Shelf 36: Extron MPA 152 Mini Power Amplifier

Extron MPA 152 Mini Power Amplifier. If it is not pictured that it is not included.

$24.00$59.99-60%

You save $35.99

Free ShippingSpring, US
houstonliquidator
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99.9%Excellent· 10.9k
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TDK ZAC2220-OOU Noise Filter - Warranty & Free Shipping
UsedBuy It NowBest Offer

TDK ZAC2220-OOU Noise Filter - Warranty & Free Shipping

TDK ZAC2220-OOU Noise Filter Used in good working condition. 60 day warranty included. Free Shipping in the continental US.

$24.99
Free ShippingMaryville, US
inventiveideasinc
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100.0%Excellent· 2.1k
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Extron DTP HD DA4 4K 230 Distribution Amplifier
UsedBuy It Now

Extron DTP HD DA4 4K 230 Distribution Amplifier

Details: This Amplifier was power on tested ONLY due to lack of knowledge on the unit.

$189.99
Free ShippingChino, US
techtitansinc
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99.7%Excellent· 14.5k
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Channel Master CM-3414 4-Port HDTV Signal Distribution Amplifier w/PSU
UsedBuy It Now

Channel Master CM-3414 4-Port HDTV Signal Distribution Amplifier w/PSU

Amplifier is in good condition with signs of wear from use. Comes with power supply.

$49.99
+$7.59Oklahoma City, US
tone.town
Feedback
100.0%Excellent· 1.1k
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Extron Versa Tools MDA 3V EQ Composite Video Distribution Amplifier
UsedBuy It Now

Extron Versa Tools MDA 3V EQ Composite Video Distribution Amplifier

Extron Versa Tools MDA 3V EQ Composite Video Distribution Amplifier

$20.00
See listingForest, US
adambusey
Feedback
100.0%Excellent· 885
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Motorola Signal Booster - Broadband Drop Amp Amplifier - Model #484095-001
UsedBuy It Now

Motorola Signal Booster - Broadband Drop Amp Amplifier - Model #484095-001

Photos are of actual item available for sale.

$24.95
Free ShippingTujunga, US
liabrah_28
Feedback
99.3%Excellent· 749
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SONORA TAMP 6 R03 TRUNK TAMP_6RO3 AMPLIFIER 6 Input Direct Amp NO RETAIL BOX
UsedBuy It NowBest Offer

SONORA TAMP 6 R03 TRUNK TAMP_6RO3 AMPLIFIER 6 Input Direct Amp NO RETAIL BOX

SONORA TAMP 6 R03 TRUNK TAMP_6RO3 AMPLIFIER 6 Input Direct Amp NO RETAIL BOX Free Shipping

$48.85
Free ShippingNew York, US
spakinc
Feedback
99.6%Excellent· 4.1k
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KanexPro Black HDMI to Composite Converter, 1 HDMI In, RCA Audio/Video Out
UsedBuy It NowBest Offer

KanexPro Black HDMI to Composite Converter, 1 HDMI In, RCA Audio/Video Out

KanexPro Black HDMI to Composite Converter, 1 HDMI In, RCA Audio/Video Out

$29.99
See listingCrum Lynne, US
jesus_is_king799
Feedback
98.3%Excellent· 1.2k
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