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Peripheral/PAC LD10 Line Driver Signal Booster

4.2 4.2 out of 5 stars 256 ratings
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Purchase options and add-ons

Brand PAC
Connector Type RCA
Manufacturer Peripheral

About this item

  • 10X line level signal booster increases the RCA signal of a device such as a satellite tuner or DVD player. Dual gain adjustments make it perfect for matching source levels.

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Customer reviews

4.2 out of 5 stars
4.2 out of 5
256 global ratings

Customers say

Customers like the performance, signal strength, and ease of installation of the wireless signal repeater. For example, they mention it works well, the output signal is very powerful, and it's easy to wire. That said, opinions are mixed on volume and quality.

AI-generated from the text of customer reviews

35 customers mention27 positive8 negative

Customers like the performance of the wireless signal repeater. They say it works well, is easy to use, and provides a great response. Some mention that it works as a preamp and drives the sub woofer perfectly.

"...It seems to be working well...." Read more

"...The blue tooth worked perfectly, and the sound was clean, loud, and with no induced noise from the PAC line driver...." Read more

"...The less than perfect: It works fine on one of my amps. On the other amp where I tested this, it is noisy...." Read more

"RIGHT SIDE VOLUME CAME NOT WORKING...FORTUNATELY, I DID NOT NEED IT FOR TH E INPUT ON OUR CRUISER BUS" Read more

13 customers mention10 positive3 negative

Customers like the signal strength of the wireless signal repeater. They say it boosts signal very well, provides a powerful output, and gives the subwoofer plenty of signal to provide great response. Some customers also mention that the signal is clean and the level change between direct feed and the line level signal booster works fine. Overall, most are satisfied with the product's signal strength and say it helps lighten the workload on the amp.

"...The signal is clean, and the level change between direct feed and receiver feed into the transmitter is imperceptible, at a much lower cost than..." Read more

"The line driver does a decent job of boosting the level of my mp3 player into my factory radio...." Read more

"...Enter this gem. Works great! This boosted the input to subwoofer amp a lot. I turned the amp to half volume...." Read more

"...your entire system, you who are into car audio, since the output signal is very powerful." Read more

8 customers mention8 positive0 negative

Customers find the installation process of the wireless signal repeater to be simple. They mention that it works as advertised, and that supplying power to the unit is very easy.

"...a rugged 12v DC power supply in the cabinet, thus supplying power to this unit is very easy; the red and black leads are for DC in...." Read more

"...Easy install. Cons- there is a loud sub "thump" everytime it is powered on and off, which is annoying. Many others have complained about this...." Read more

"...the signal, got my bass level to where I wanted it, and took all of 5 mins to install...." Read more

"...Easy setup and easy to adjust." Read more

8 customers mention8 positive0 negative

Customers appreciate the value of the wireless signal repeater. They say it's a good unit for the price, and a great cheap little signal booster.

"Not the most clean looking or compact design, but was inexpensive and I had had good luck with PAC products in the past,..." Read more

"...A great solution at a good price. I can stream anything to the speakers in my workshop!The less than perfect: It works fine on one of my amps...." Read more

"...on the gain on my amp and head unit this has definitely been worth what I paid for it...." Read more

"Worth every penny,solved my week signal coming from my line output converter on rear speakers on 2012 Honda Civic" Read more

41 customers mention21 positive20 negative

Customers are mixed about the volume of the wireless signal repeater. Some mention that it fixes low audio volume, makes no perceptible noise, and boosts the volume, while others say that it is noisy, too loud, and introduces a loud but bearable thump while turning off. Some customers also mention that there is some noise suggesting borderline oscillation.

"...The blue tooth worked perfectly, and the sound was clean, loud, and with no induced noise from the PAC line driver...." Read more

"...gain is set at full, and at this setting, there is some noise suggesting borderline oscillation...." Read more

"...straight to +12v and ground from the head unit, so I had no problems with ground loop noise...." Read more

"...On the other amp where I tested this, it is noisy...." Read more

10 customers mention5 positive5 negative

Customers are mixed about the quality of the wireless signal repeater. Some mention it seems quality, perfect for getting reliable hi volt pre-amp output, and solid packaging. Others say it's poorly built, abysmal, and made of cheaper materials. Some say the computer output wasn't strong enough to run amp at normal level.

"...The first thing I did was open the case which I thought was well made...." Read more

"...The issue was my computer output wasn't strong enough to run amp at normal level. This did work but took lots of experimenting to get it working." Read more

"Packaging was solid and delivery was quick. I am using this to increase the output of the MP3 feature of my GPS. Works great...." Read more

"...Be careful as they seem to be made of cheaper materials, but at this price it's tough to complain." Read more

Seems quality
4 Stars
Seems quality
So far, I'm just a little disappointed that the RCA output wires aren't twisted pairs like the picture shows. They updated the pigtail harness so that the power wire is integrated instead of sneaking out of the housing, but cheapened the RCA wires in the process.
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Top reviews from the United States

Timothy R. York
5.0 out of 5 stars Non-Automotive Application
Reviewed in the United States on June 28, 2014
Product Packaging: Standard PackagingVerified Purchase
I have successfully deployed this line amplifier in a non-automotive application.It seems to be working well.
The audio output of this laptop is routed into the stereo receiver, to ultimately feed our FM stereo transmitter with our favorite online radio stations for listening throughout the house.
I built a relay box to route this audio both into the receiver when the receiver is turned on, and directly into the transmitter when the receiver is off. For some unknown reason, there is an audio pad in the receiver for this input, thus creating an approximate 3dB drop into the transmitter when the receiver is on. I had previously used an old radio shack 9v mixer to try to boost the laptop audio into the receiver, but it appears to be an active attenuator, not an active mixer, thus no gain.
This unit is actually a line amplifier.
Because of some of the peripherals in the stereo receiver, I already have a rugged 12v DC power supply in the cabinet, thus supplying power to this unit is very easy; the red and black leads are for DC in.
Out of the box, gain is set at full, and at this setting, there is some noise suggesting borderline oscillation. Fortunately, the signal was too hot into the receiver, so the trim controls are now set at about 40% to achieve unity into the FM transmitter. The signal is clean, and the level change between direct feed and receiver feed into the transmitter is imperceptible, at a much lower cost than similar line level amplifiers currently available.
I may purchase one or two more to have around should I need to boost a line level signal 3 to 6dB, which is the best testimonial I can supply.
7 people found this helpful
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C Donaho
5.0 out of 5 stars Maybe balance my sources? How much difference could it make? Yeah that's what I thought..
Reviewed in the United States on February 28, 2020
Product Packaging: Standard PackagingVerified Purchase
Not the most clean looking or compact design, but was inexpensive and I had had good luck with PAC products in the past,
I was redesigning a car audio system using stuff I already had, for the most part. So I had decided to use an older Alpine head unit. It had been replaced with a newer Kenwood at some point specifically for the usb and aux inputs, as well as a more powerful Class D internal amp. But I was not going to use the radio internal power, just external Amps. The Alpine had a superior CD section, and now there are inexpensive dongles to use the alpines lossless CD changer input, and it's I-pod inputs for aux in, and Blue tooth in.
But I felt like I needed to overcome the relatively low 2volt pre-outs limits. So I bought 1 of the line driver/level balancers and wired the unit to test on a bench. With it sending I of its front full rang preouts To my Yamaha receiver( in my shop) all I can say is wow, and ordered another for my sub out as well. The blue tooth worked perfectly, and the sound was clean, loud, and with no induced noise from the PAC line driver. So if you know you will be using low level "convenience" devices like anyone' who gets in the cars phone, weather you like it or not, it's just how it is now, I promise, add a line driver(1) before the signal goes in to your head unit, or multiple out of your head unit(if you know it has low preamp out and you want to drive all your sources.
3 people found this helpful
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Jason Horwege
4.0 out of 5 stars Simple to Connect. It works.
Reviewed in the United States on March 6, 2020
Product Packaging: Standard PackagingVerified Purchase
The good. It works. I use it to boost mobile phone headphone jack output to line level input on a stereo amp. A great solution at a good price. I can stream anything to the speakers in my workshop!
The less than perfect: It works fine on one of my amps. On the other amp where I tested this, it is noisy. The instructions say to cut some bridges if there is noise - a problem of common ground - per instructions. This might help. But I decided to use it with the amp where it worked fine, rather than cut the bridges.
One person found this helpful
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U GET 2
3.0 out of 5 stars Works but can inject backgrounds noise.
Reviewed in the United States on September 24, 2019
Product Packaging: Standard PackagingVerified Purchase
It worked but injected noise in background. I had too run a ground wire from my computer to my amplifier to reduce noise enough that I could use it. The issue was my computer output wasn't strong enough to run amp at normal level. This did work but took lots of experimenting to get it working.
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Alex S
5.0 out of 5 stars A Great Headphone-Level to Line-Level Amp
Reviewed in the United States on April 10, 2017
Product Packaging: Standard PackagingVerified Purchase
The LD10 does exactly what it is supposed to do: it takes a headphone level input and amplifies it to line-level input. In both of my cars, the Bluetooth audio output from my Motorola T605 is too low to sound good when connected to either head units' line-in (Aux) inputs. (Even if I turn up the media volume on the phone all the way up, which then causes the dreaded "Warning you are listening to ear-damaging audio levels" pop up...) I have tried a couple of other "headphone amplifier" products, but they are only really designed for (duh) headphones, so they only amplify a fraction of what the LD10 does. This thing is the real deal.

One word of warning: it ships with the gain controls set to the maximum level so it will probably "over drive" the line input of the head unit you are connecting to unless you turn it all the way down first. I've got the dials on mine set such that when the phone media volume is at about 70% the volume coming out of the head unit on the Aux input is about the same as the volume of a clear FM radio station at the same volume level. I also made sure that if my phone media volume is set to 100%, that the output is not distorted. In my case, this means that the gain controls on the LD10 are only set at about 25% of their maximum value. (If set any higher, I experienced distortion like some of the other reviews mentioned.) (Keep in mind that all audio devices have optimum input levels and that said optimum level is pretty much never "maximum".)

This amp is a little larger than I thought it would be, but that is no problem. Also, both of the car head units I'm connecting to have accessory +12v available, so I connected the LD10 straight to +12v and ground from the head unit, so I had no problems with ground loop noise. (That high pitched whine you sometimes when you are driving.) I've only had the LD10 for a couple of days, so time will tell how well it holds up, but I've used other PAC branded modules in the past and have had no problems with them.
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Top reviews from other countries

John Ball
5.0 out of 5 stars Works great
Reviewed in Canada on February 14, 2020
Product Packaging: Standard PackagingVerified Purchase
Got it all hooked up to run my old school Luxman stereo amp with bluetooth set up. easy play tunes from phone, laptop etc. I needed this to boost signal from bluetooth receiver to amp. Very happy with the set up
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JohnJohn
4.0 out of 5 stars Delivery needs to be faster
Reviewed in Canada on April 21, 2015
Product Packaging: Standard PackagingVerified Purchase
As advertised, but took almost 3 weeks to arrive...
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