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rolls HA43PRO 4 CH Headphone Amp

by Rolls
78 customer reviews
| 9 answered questions

List Price: $57.00
Price: $50.00 & FREE Shipping. Details
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  • 4 channel
  • headphone
  • amplifier
17 new from $50.00 5 used from $42.50

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$50.00 & FREE Shipping. Details In Stock. Ships from and sold by Gift-wrap available.

Frequently Bought Together

  • rolls HA43PRO 4 CH Headphone Amp
  • +
  • Hosa Cable CMS110 1/8 inch TRS to 1/4 Inch TRS Adapter Cable - 10 Foot
  • +
  • Cable Matters® 5-Pack, Gold Plated 6.3mm (1/4 inch) to 3.5 mm Male to Female Stereo Adapter
Total price: $64.99
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Product Description


Product Details

  • Product Dimensions: 5 x 5 x 5 inches ; 2 pounds
  • Shipping Weight: 1.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B00102ZOQC
  • Item model number: HA43PRO
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (78 customer reviews)
  • Amazon Best Sellers Rank: #14,936 in Musical Instruments (See Top 100 in Musical Instruments)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at October 2, 2001

Customer Reviews

Most Helpful Customer Reviews

55 of 57 people found the following review helpful By Tony in SF on February 14, 2009
UPDATE: 05-31-2012
This little box still rocks, alternately powering up one of either two pairs of headphones or a set of desktop speakers for the last 3+ years.

The only (very minor) problem I've ever had with this device over all this time is the same problem all volume sliders and knobs have had throughout electronics history: The metal contacts inside the sliders oxidize over time and don't make contact as well as they should, sometimes causing a bit of "static" when you move them or when it's just being temperamental. The glitch only happens extremely seldom (maybe once every couple of months for the last year), and goes away when I tap the slider or move it. This amp has absolutely been more than worth what I paid for it!

Aside from that, I have nothing to add that my review hasn't said already.


First off, there are TWO Rolls HA43 amps: The regular HA43, and the HA43 Pro which is what this review is about. Be sure you're getting the Pro! It has more features, looks better, and costs the same or less than the regular version.

This is a great little headphone amp, especially for improving a PC's sound quality and volume. It's small, simple, has some great features, and the sound quality is excellent. I can't compare it to the "real" pro headphone amps out there that cost some serious cash, but I can say that my headphones (Sennheiser 280Pro and 555) both sound a lot better with this amp. The bass range on my 280's - which was really weak coming directly from my PC's audio - sounds much more deep, clean, and sharp.
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19 of 19 people found the following review helpful By zemes on September 3, 2008
First of all, please note that they make two different versions of this thing. Make sure that you're getting the "Pro" version, which is not presently offered at, but sold by some vendors at very similar prices. The difference is that (1) the Pro version has both 1/4 and 1/8 (3.5mm) jacks for each channel, while the non-pro version has 1/8 (3.5mm) only; and (2) the Pro version has both 1/4 and RCA jacks for input, while the non-pro version has only 1/4 not RCA. But other than the connections, both units share the same electronics so should have the same performance.

This is a very well made unit, and can have variety of uses. I currently use it with an HDTV so that several people can watch TV wearing their headsets without disturbing others. The sound quality is top notch and the build quality is also excellent. Other apparent benefits include:

(1) Does not require the home electronics device (TV, for example) to have a headphone output to be used with this headphone amplifier (just to mind you, strangely many TVs don't have a headphone jack).
(2) Does not run the risk of damaging the headphone jack of the electronic device due to frequent plugging and unplugging.
(3) AC powered and does not require a battery.
(4) Has four channels, each with independent volume control.
(5) Can be used by maximum eight people (two headphones per channel).

Another thing worth noting is that, because this is an external microphone amplifier, it behaves quite differently from the headphone jack built-in the TV (or any other electronic devices). The microphone amplifier and the headphone(s) are essentially independent from the TV audio control. This has its inconvenience but also has its advantages. In the following, I'll list a few things.
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25 of 29 people found the following review helpful By Wavey Davey on December 9, 2009
Verified Purchase
I tried to wait a couple of days to write this review of the unbelievable Rolls (Royce!!) HA43 Pro Headphone Amp, which the manufacturer's insert touts as being for "School, Studio, Broadcast...anywhere you need four channels of clean, loud headphone amplication." Man, I'll second that!! How about your very own home photography/PC & Mac Studio? Does that qualify, dear Rolls people? I think so! Anyway, the sound and output is so compelling and incredible that I couldn't wait to publish this synopsis.

Like the other very nice review above this one, ie the 1st one by the gentleman from San Francisco, I am going to fully, and totally compliment the makers of this thing 100%, and then some. It is so hard to put into words the quality and comprehensive sound quality enhancement the Rolls HA43 gives virtually any type of recording, but here goes, along with a list of the benefits and controls:

Benefits, controls:

***Loud, and I mean REALLY LOUD amplification, clear as a bell, without distortion

***4 Headphones at once driver system, so that you and four friends can hear distinctly different levels of a record, broadcast, TV show, movie, tape, etc...individually controllable outputs

***3.5mm stereo (1/8") or 1/4" TRS stereo headphone adapters for output

***TRS Stereo 1/4" phone, or Dual RCA inputs (take your pick, not to be used at the same time!)

*** 20dB Maximum Gain per channel, for each headphone, 51 Ohms impedance for each output

***S/N Ratio=>90dB

***THD (distortion): .008% (!!!...incredibly low, virtually imperceptable)

***Small Size: 4.15 x 3.45 x 1.
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rolls HA43PRO 4 CH Headphone Amp
This item: rolls HA43PRO 4 CH Headphone Amp
Price: $50.00
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