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Mackie HR624mk2 6 inch Powered Studio Monitor

Powered Monitor with 6.7" LF Driver, 1" Dome Tweeter, Acoustic Space Control, LF Roll-off, HF Shelf (each)
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$599.99 (each)

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Mackie HR624mk2 6 inch Powered Studio Monitor
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$599.99 (each)
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An Incredibly Accurate Active Monitor!

The Mackie HR624mk2 active studio monitors manage to improve on the widely-used originals. New features, such as a solid aluminum Zero Edge baffle and optimized waveguide help to give the HR624mk2 even more accurate, natural sound reproduction. Designed with high-definition audio in mind, this monitor provides exeptional clarity for surround 5.1 and 7.1 applications, and an Acoustic Space Control function allows it to be adapted to any room and still provide maximum accuracy. Low-frequency roll-off and high-frequency shelf functions are also included on the HR624mk2.

Related Videos: HR624mk2 6 inch Powered Studio Monitor

Mackie HR624mk2 Active Monitor at a Glance:
  • New baffle design
  • Acoustic Space Control
  • Ample wattage, time correction

New baffle design
The HR624mk2 features a Zero Edge baffle, which is constructed from a solid piece of aluminum. The new baffle design minimizes diffraction and helps provide a clear sonic image, as well as tight bass response. An optimized waveguide disperses sound evenly over a wide field, as well as providing robust mids. These improvements to frequency response and depth of field make the HR monitors sound better than ever.

Acoustic Space Control
An integrated Acoustic Space Control feature makes these monitors ideal for locations (such as video post suites and home/project studios) where available space is limited. This feature gives you full space, half-space, and quarter space settings, which adjusts the bass response when they're away from walls, against walls, or set up in corners. Low frequency roll-off and high frequency shelf functions are also switchable on the back panel.

Ample wattage, time correction
The HR624mk2's 6.7" low-frequency driver receives 100 watts from an onboard FR (Fast Recovery) amplifier. The waveguide-loaded aluminum dome tweeter is powered with 40 watts, and an active crossover helps to eliminate phase anomalies. These monitors also include time-correction circuitry, which allows the highs and lows to reach the listener at the same time.

Mackie HR624mk2 Features:
  • 6.7" high-precision, low-distortion LF driver
  • 1" titanium dome ferrofluid-cooled tweeter
  • Optimized waveguide for wide, even tone
  • Twin FR Series amps: 100W LF, 40W HF
  • Cast aluminum Zero Edge baffle minimizes diffraction
  • Internal damping eliminates midrange artifacts
  • Acoustic Space Control, LF roll-off, HF shelf controls
  • Balanced XLR, TRS, and unbalanced RCA inputs
  • OmniMount for easy wall or ceiling placement
  • THX pm3 certified for surround applications
The Mackie HR624mk2 is an accurate, clear-sounding active monitor that's perfect for any room!

Additional Media

HR624mk2 User Manual
Studio Monitor Buying Guide

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Tech Specs

  • Powered: Yes
  • Power Configuration: Bi-amped
  • Quantity: Single
  • LF Driver Size: 6.7"
  • LF Driver Type: Cone
  • HF Driver Size: 1"
  • HF Driver Type: Dome
  • LF Driver Power Amp: 100W
  • HF Driver Power Amp: 40W
  • Total Power: 140W
  • Frequency Range: 49Hz-20kHz (±1.5 dB)
  • Crossover Frequency: 3kHz, 24 dB/octave
  • Maximum Peak SPL: 106 dB
  • Input Types: 1 x XLR, 1 x TRS, 1 x RCA
  • Enclosure Type: Sealed
  • Height: 13.1"
  • Width: 8.6"
  • Depth: 12.6"
  • Weight: 23.4 lbs.
  • Manufacturer Part Number: 2034161-00

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Customer Reviews

4.7 out of 5

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Return of the Mack

Having spent the past seven years in a studio using the original HR824's, you'd think it'd be a relatively simple decision to make when it came time to build my own home studio setup. Right? Not quite. Let's just say I took a detour, which ended up costing me time and money, only to arrive back to my original verdict: go with the Mackies. My detour consisted of going with another brand of monitor with distinct yellow cones. The price was the same as the HR824's and the reviews were all stellar. So I thought, why not? To make a long story short, I spent almost a month with them and returned them. I won't go into detail about why they didn't work for me, with some of the reason being my own fault and some being performance based. After returning them (one unsuccessfully - always claim a value on items over $100 when shipping), I did more research and arrived back at the Mackies. After my experience with the previously returned monitors, I knew an 8" would be a bit overkill. So I went with the 624's. For my application, they're perfect. Here's why:

The sound: they're a fairly flat monitor (+/-1.5dB). Each speaker comes with a certificate showing that speaker's unique response variance and the conditions under which it was tested. It's filled out by hand. My monitors were tested within ~hour of one another - which is pretty cool. To me, they sound honest. If something is lacking, you'll know. If something is accentuated, you'll know. On top of flat response, these provide great spacial imaging and depth. Monitors get you most of the way when it comes to production, so you should be comfortable and familiar with them. Ultimately, they're tools. And knowing your particular set makes all the difference.

Things I particularly like: the sealed enclosure yields accurate bass and less chance of room interaction vs open front/back ports. The tweeters are metal, which some people are not a fan of. But alas, they're titanium polymer suspended (vs the original aluminum). This cuts down/eliminates fatigue, something I have yet to experience with these monitors. The tweeters are also protected by a mesh grill, which provides excellent prevention against an accidental dome crushing. And perhaps one of my favorite qualities is the class A/B amps - which means: these monitors are exceptionally quiet at idle. Which was a major point of contention in my trials with the previous monitors. My typical proximity/triangle is ~three feet. I consider a quiet idle to be essential for my purposes. These monitors are perfect in that respect. Some monitors I've checked out that cost twice as much as the 624's still produce considerable idle hiss, which was enough to deter me, despite incredible reviews and brand reputation.

The features: they're loaded with them. Three input options are available: RCA, XLR, and TRS. Three power modes available, including auto on/off after eight mins of zero signal. Three room modes available, which is handy if you must position them close to walls. Hi/low EQ compensation. Front power switches - YES. Plus, they also have a pretty elegant appearance. I don't get tired of looking at them. The LF and HF drivers are rated at 100W and 40W respectively. The front power indicator will light up red if pushed to the point of clipping. I have not tested this, as sheer power/volume is not important to me in a monitor. It just matters that they sound good. This is a point I feel some other manufacturers miss. The previous monitors I tried had double the power. But on the flipside, the amps (basically wide open at idle) caused considerable idle hiss. Not a true flaw per se, but a major turnoff.

In summary, these monitors suit my needs very well. They sound true and are loaded with accommodations. They're professional in nearly every aspect, right down to the packaging. One of the previous monitors I tried, upon return shipping them, arrived having been compromised due to a drop/puncture and no longer functioned. I can't say the same fate would have befallen one of these 624's. It's the details. And Mackie just gets it. I feel great about my investment. My sweetwater rep Nick mentioned something to the effect of these monitors not getting a lot of attention. I can't really say why. Maybe because most amateurs prefer to spend less? Maybe because it's not fashionable to have Mackies? Who knows. Regarding cost, I find these to be in a major sweet spot in the price vs quality area. After the Mackie HR series, prices start to rise by considerably larger margins. Whatever the case may be, these are the perfect monitors for me and I'm looking forward to having them for a long time. Worth the detour? I'd say so.
by Andrew Glose from Hattiesburg, MS on
Music background: Professional Musician

Yes!!

These speakers are Great! I know there are speakers that are more expensive and have that high high end price tag. Believe me I"ve been looking and researching for about one year. I knew I couldn"t afford the 2 & 3 thousand $$$$$ per speakers. Yes there were some between 14 & 15 hundred for a pair. But after talking with my man Tye I decided on these puppies. I really like the acoustic controls on the back of the speakers, and they are a fairly flat speaker. All I know is when I set these HR624mks up and got them running I could tell where my mixes were off in the balance and placement of the instruments. Yes they have a slight mid and up push but they work very well for me. The best thing is they translate well when I listen to mixes on my older set of Fostex with the 8 in woofer, which I"ve had for at least 15 years, after I"ve made the adjustments on the Mackies. They are a tight speaker and are a sealed cabinet which was another reason I was drawn to them. I am a bass player and I know bass frequencies can get out hand easily. So these help me tune the bass frequency easer along with the other instruments. I"ve had these monitors for about 3 weeks or more and I"ve been mixing and recording with them almost every day. They have not disappointed me in any way. Like I said in my review title Yes!! Thanks Tye for helping me and answering my questions. Thanks to Sweetwater! These speakers are all I hoped they would be.
by Sweetwater Customer from Cincy, OHIO on
Music background: Bass, guitar, singer, songwriter, recording engineer.

Mackie Hr624

Very accurate you can now mix and master with ease you can hear everything
by Kallstars music entertainment and Films from Washington DC on

The Mackie HR624mk2

Extremely Happy with these monitors. Like the advertisement states, "You simply can't go wrong with these Pro-Caliber monitors." They have a very accurate and natural frequency response. Perfect for my smaller studio. They are terrific. Thanks for the quick delivery.
by Terry Adams from Moreno Valley,CA. on
Music background: Guitarist, Novice Recording Engineer

One Word... Awesome

Im a sound engineer and I`ve been looking for a studio monitors that suit me best I listen to everything genelecs, yamaha, m-audio, krk, and narrowed my options to adam a7x and mackie hr 624 mkII. My bet, mackie won they are simply amazing and its really easy to make them sound great in any room because of their acoustic space adjustment.
by James Bly from Miami, Fl USA on

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What Do Our In-house Gear Experts Think?

Robert Williams

A really big improvement from the original HR624, a lot tighter bottom and clearer mids. The adjustment options make it easier than ever to get the monitors tuned to your room. Add some stands or isolation and you're good to go!
See also: Active Speakers, Mackie, Mackie Active Monitors
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