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HD4300BT Turntable Flex Kit

The HD4 Next Gen Home Music System and Crosley C300 Turntable bring professional-grade vinyl playback to a compact, everyday setup. The C300’s direct-drive motor and aluminum platter offer precise speed and stability, while its pre-mounted Audio-Technica cartridge captures every groove with clarity. Built-in phono and line outputs make connecting to the HD4 simple, no extra gear required.

The HD4 delivers 120 watts of analog Class A/B power through handcrafted wood cabinets for warm, detailed sound. Equipped with aptX Adaptive Bluetooth, USB-C, and RCA inputs, it keeps your setup flexible and frustration-free.

Pro Tip: For best results, use the RCA connection for vinyl and Bluetooth or USB-C for digital streaming. Keep the turntable on a stable surface to ensure accurate playback.

Connection Types:

Original price was: $628.Current price is: $619.

Finish

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Desktop Setups
Turntable Setups

Ideal for:

The Audiophile
The Old School Music Lover
The Music Enthusiast

HD4 Home Music System

ROOM-FILLING SOUND – 120 watts of rich, full-range stereo from compact cabinets designed for your desktop, shelf, or home setup.
BLUETOOTH APTX ADAPTIVE– Stream high-resolution music wirelessly from up to 100 feet away, with minimal delay and maximum clarity.
HIGH FIDELITY – Engineered for detailed, accurate sound whether you’re streaming, spinning vinyl, or listening to your own collection.
CUSTOM-TUNED – Tuned in-house by Audioengine’s team of musicians and engineers to deliver the warm, powerful sound we’re known for.
PLUG & PLAY – No software or apps. Just instant connection through RCA, or 3.5mm AUX.
HAND-BUILT – Built from real wood, not plastic. Choose from solid carbonized bamboo or hand-finished painted cabinets in a multi-step high-gloss process.
FEATURES – Aramid fiber woofers, silk dome tweeters, Bluetooth aptX Adaptive, USB-C, RCA inputs, Class AB amplifier, detachable magnetic grilles, and front-panel volume knob.
PERFECT FOR – Nearfield desktop use, record players, compact listening setups, or small living room systems.
WHY HD4 – Professional-grade components, handcrafted construction, and a Texas-based company with real people answering the phone when you need support.
WHAT’S IN THE BOX – HD4 speakers (left and right), 6.5ft speaker wire, power supply and cord, 6.5ft USB-C cable, 6.5ft mini-jack cable, microfiber speaker bags, and setup guide.
For more details on the HD4 Home Music System, [click here].

Crosley C300 Turntable

TRUE ANALOG PRECISION – Manual direct-drive turntable designed for 33 ⅓ and 45 RPM playback. Hands-on operation gives you full control from start to finish.
BUILT-IN BLUETOOTH OUTPUT – Stream records wirelessly to any powered Home Music System or Bluetooth headphones for a clean, cable-free setup.
STUDIO-GRADE STABILITY – Aluminum platter, die-cast tonearm, and vibration-dampening feet keep rotation steady and resonance low for clear, accurate sound.
READY OUT OF THE BOX – Pre-mounted Audio-Technica cartridge and balanced tonearm setup ensure dependable performance right away.
INSTANT INTEGRATION – Switchable phono/line preamp and RCA outputs make it compatible with nearly any modern audio chain.
HANDCRAFTED DETAILS – Brushed metal finishes, precision controls, and a clear dust cover combine function and style in one solid build.
IDEAL FOR – Listeners ready for a performance step up from entry-level turntables, built to pair naturally with the HD4 Next Gen Home Music System.
INCLUDES – Turntable, dust cover, slipmat, power supply, counterweight, pre-mounted Audio-Technica cartridge, and alignment protractor.

For the Collection That Deserves More

The HD4 and C300 are made for those who take their sound seriously. The C300’s direct-drive system brings speed precision and durability, while the HD4’s analog amplification adds warmth and presence that only real components can deliver.

This is a setup built for consistency and control, no gimmicks, no shortcuts. Whether you’re spinning your first record or your thousandth, it’s built to play the way you want to listen. Just drop the needle and enjoy the results.

What's in the box

Questions and answers

Does A2+ come with speaker grills?

The A2+s do not include detachable magnetic grills.

If I have a subwoofer of my own, how would I use it with the A2+s?

All you would need to do is connect the variable output of the A2+ into the input of your sub using RCA cables.

Can I use my headphones with the A2+s?

You wouldn't be able to use a pair of headphones directly with the A2+s; in order to use headphones with the A2+s, you would need to include something with a dedicated headphone amp, such as our D1. All you would need to do is plug the D1 into your computer (either with an optical or USB cable) and connect the D1 from its RCA outputs into either of the inputs of your speakers.

Is the bass response any different in the A2+ vs. the original A2?

In the new A2+, we've included a linear limiter which will manage the bass at the point where bass distortion starts to occur. Being a linear limiter, it will not chop the signal but instead retains the shape of the waveform, not allowing it to go into distortion. This means if you listen to the A2+ at higher levels you'll notice the bass response is tamed and not as boomy. It’s important to note that the limiter will have no effect at normal listening levels.

Can you stream music wirelessly to the A2+ with the Audioengine wireless adapters like you can with the A5+ Classic?

Yep, an AC wall outlet near the A2+ is all you need to power the AW3 wireless Receiver.

If I connect my turntable to the A2+ will it be necessary to purchase a phono preamp or can I simply connect the turntable directly to the A2+ input?

Some turntables will need a preamp before being connected and others may have one built-in. With that in mind, it is best to check the turntable manufacturer’s website, the turntable’s user manual, or you can even try your turntable without the preamp first to see how it operates.

Can I use a power inverter with my A2+?

Sure, for A2+ you will need an inverter that can supply about 50-60 watts.

Why isn't the A2+ available in the bamboo finish?

We researched adding a bamboo version to the A2+ line, but found that the speaker size is actually too small and costly to produce them in bamboo using the same process as with our A5+ and P4 speakers.

What are the differences between A2+ the original A2?

Here are the upgrades made to the A2+:

USB digital-to-analog converter (DAC)
Variable audio output (connect a subwoofer or wirelessly send audio to other speakers with our optional W3 wireless adapter)
Upgraded speaker connectors
Upgraded power supply
Upgraded accessory cables

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Founded in Austin, Texas, the live music capital of the world. Shocking, huh?

How a pair of music-loving tech veterans set out to create reasonably priced speakers that are good-looking, easy to use, and, most important, sound amazing.

Listen Your Way – Yotpo photo gallery renders here via ACF field