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AIAIAI Unit-4 Wireless+ Powered Studio Monitors Certified Open Box

4" Powered Studio Monitor Pair with High Excursion Paper Cone LF Driver, Silk-dome 1" HF Driver, 5-band EQ, Battery Power, and Bluetooth Stereo Connectivity
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Item ID: Unit4Monitorsd1
AIAIAI Unit-4 Wireless+ Powered Studio Monitors

Certified Open Box Savings!

Save $104.85 What is Certified Open Box?

The price below reflects your savings.

Price:$594 and 15 cents
Savings: $104.85

New for $699.00

Condition Notes:

This returned item is cosmetically in excellent condition. Includes all original accessories. The item ships in its original packaging which shows some signs of wear.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

Special Financing - Ends Aug 2, 2026. $17/month with 36 month financing*

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An Absolute Unit of Contemporary Production Clarity

A formidable studio sound isn't proprietary to a fancy desktop workspace. Exhibit A: AIAIAI's Unit 4 Wireless+ speaker pair ensures absolute clarity and precision without environmental barriers. Battery-powered operation, portability, and low-latency wireless audio delivery barely scratch the surface when it comes to the Unit 4 Wireless+ pair's banquet of elite features. Proprietary W+ Link technology and sturdy construction materials make this speaker pair a cinch to integrate into any live performance setup or impromptu production space. Conversely, Bluetooth connectivity and 2-way LF and HF driver delivery make these speakers a solid option for beginner audiophile setups and basic audio playback scenarios. Topped off with a remarkably easy repairable design and user-friendly maintenance, you can look forward to years of reliable mobile sound performance with AIAIAI's Unit 4 Wireless+ monitors in tow.

2-way clarity at its best

AIAIAI is a leader when it comes to top-notch audio quality, and the Unit 4 Wireless+ speaker pair is no exception. Loaded with a 4-inch high-excursion paper cone LF driver and 1-inch silk-dome HF driver, the Unit 4 Wireless+ 2-way system provides a formidable 50Hz to 20kHz soundstage, complete with clear highs, a developed midrange, and stunning bass extension down to 40Hz. Moreover, the speakers' solid recycled plastic bass reflex enclosure minimizes resonance and muddy tones to keep your output as authentic as possible among every frequency. Prefer to take your sound into your own hands? With the Unit-4 mobile app, you can access a 5-band EQ and other sound options to pinpoint your exact output.

Near-zero audio latency

Any Sweetwater musician would agree that low latency is a critical factor in studio production. Let them be the first to tell you: the Unit 4 Wireless+ pair is more than capable of upholding the task. Built-in W+ Link technology keeps connections between your device and speakers lightning fast, providing up to 16ms lossless audio speeds for complete production efficiency no matter the breadth of your current setup. Likewise, an included X02 transmitter is compatible with USB-C and mini-jack audio connections for additional seamless wireless possibilities. An optimal workflow doesn't need to be confined to a high-scale studio workspace — take your efforts anywhere with a pair of Unit 4 Wireless+ speakers.

Battery-operated for limitless field utility

You read that right. The Unit-4 Wireless+ system's built-in battery ensures extensive audio performance in any location. Got a long gig ahead of you? That's no problem either — up to 20+ hours of playback time will ensure your performance never ends short. Likewise, each speaker's rear bass vent is specifically shaped to be used as a carrying handle for easier movement during placement scenarios. Finalized with a durable protective steel grille, Unit-4 Wireless+ will reap years of reliable audio quality.

AIAIAI Unit-4 Wireless+ Powered Studio Monitor Pair Features:

  • Powered 2-way studio monitor pair for supreme audio recall and high-quality playback
  • 80W peak provides more than enough power for home studios and most small-scale listening environments
  • 4-inch high excursion paper cone woofer and 1-inch silk-dome driver ensure optimal audio clarity
  • Precisely-tuned 40Hz bass extension
  • W+ Link provides ultra-low-latency audio connections for enhanced sound freedom in any scenario
  • Built-in Bluetooth stereo compatibility — an excellent option for beginner audiophile setups
  • X02 transmitter permits low-latency USB-C or mini-jack connections (included)
  • Battery-powered operation for solid sound performance in any location
  • Durable steel grille keeps your drivers protected from unwanted outside damage
  • Glue-free repairable design keeps device maintenance simple and cost-effective
What is Certified Open Box Gear?

At Sweetwater, we're so picky that what we call "Certified Open Box" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

Certified Open Box (also known as a demo) means we’ve had it out of the box for our YouTube channel, displayed at events, tested in our studio, or maybe it was in a customer’s hands for a few days and isn’t ‘factory fresh’ as a result. Every Certified Open Box item we sell has Sweetwater’s 2-year Total Confidence Coverage™ warranty and has been tested and verified up to ‘new’ specs by our factory-authorized technicians to make sure it’s in perfect working order before we ship it to you.

When you buy a Certified Open Box item at Sweetwater, you get:
  • 2-year Total Confidence Coverage Warranty™!
  • Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
  • FREE shipping on most items
  • Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Certified Open Box equipment. Purchasing Certified Open Box gear from Sweetwater is a smart and safe way to save!

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Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
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Tech Specs

  • Powered: Yes
  • Power Configuration: 2-way
  • Quantity: Pair
  • LF Driver Size: 4"
  • LF Driver Type: High Excursion Paper Cone
  • HF Driver Size: 1" Tweeter
  • HF Driver Type: Silk Dome
  • Total Power: 30W Continuous, 80W Peak
  • Frequency Range: 40Hz-40kHz (-10dB)
  • Frequency Response: 50Hz-20kHz (±2dB)
  • Maximum Peak SPL: 105dB SPL
  • Input Types: 1 x 1/4" TRS, 1 x 1/8" TRS (aux)
  • Bluetooth: v5.2
  • Features: Battery-powered, 20 Hour Playback Time
  • Software: AIAIAI UNIT-4 App
  • Enclosure Type: Rear Ported
  • Enclosure Material: 100% Recycled Plastic, Steel Grille
  • Height: 10.16"
  • Width: 6.15"
  • Depth: 4.49"
  • Weight: 5.51 lbs
  • Manufacturer Part Number: 80022

What Makes Our Sales Engineers Great?

Sweetwater Sales Engineers are a world-class team of experts dedicated to you. Hand selected from across the globe, each brings a wealth of experience and expertise in the world of music gear to provide you with unparalleled service completely free of charge. Friendly relationships, real trust, and the right gear are only a call or a click away!

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Reviews

Studio Sound Everywhere
great for mixing. But where I really love these is making music practically anywhere. Just plug in the transmitter to your computer and make beats wherever your heart desires. I was pretty impressed by the bass in these speakers too. I take them with me all the time now.
Music background: Producer
UNIT 4
Its cool..
Amazing portable speakers!
I am a long-time user and big fan of AIAIAI's TMA-2 headphones so was pretty excited to see they were releasing a pair of studio monitors. The Unit-4s have not disappointed! Was a little skeptical of smaller monitors as I have larger HS-8's (prob a little overkill for my studio size) but wanted another reference pair and something more portable. Where to start with the Unit-4's! Well, sound exceeded my expectations - really well balanced, very neutral though bright and detailed with good low end for the size. They also pack a punch and can really drive these little units. Super convenient to be able to go cabled or wireless as I purchased these so I could be more mobile with my music making and they're definitely built for moving around as are super sturdy. When in wireless mode with transmitter, no issues with latency (buffer size at 512 samples) and on first few attempts at draining the battery am getting around 18 hours of use (at mid-high volume). What I'm also realizing is that these double very nicely as a lovely set of stereo bluetooth speakers - have been doing a bit of casual listening with them! Overall am very impressed with these and love their versatility. Will probably end up using as my main studio monitors as the footprint is way more suitable for my space! Also, respect that AIAIAI have included a right to repair on these which is something I've always appreciated with their headphones! Nice work AIAIAI and thanks Sweetwater!