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A high-power portable wireless speaker built for parties, backyard BBQs, camping, garage sessions and outdoor gatherings. Enjoy 220W peak output, a 5-speaker audio system, DSP sound processing, dynamic RGB lighting, IPX5 water resistance and multi-mode playback through Bluetooth, USB and AUX.

Take the ACEFAST K2 Max from the living room to the beach, backyard or camping setup. Its portable handle design and high-power sound make it a better fit for social moments where small speakers feel too quiet.

The built-in DSP processor helps optimise audio signals for a fuller and more balanced sound experience, giving music, vocals and bass more impact during parties, movie nights and everyday listening.
With multiple speaker units and bass diaphragm support, the K2 Max is designed to deliver louder volume, clearer detail and stronger low-end performance than a basic compact Bluetooth speaker.

Built for real-life use around backyards, beach days, poolside areas and outdoor gatherings. The splash-resistant design helps protect the speaker from everyday water exposure, but it should not be fully submerged.

Pair two compatible ACEFAST speakers with TWS interconnection to create a wider stereo sound field, making movie nights, parties and larger rooms feel more immersive.
Play music through Bluetooth, USB flash drive or AUX input, so you are not limited to one source. It is useful for phones, laptops, tablets, offline playlists and casual home entertainment.
| Brand | ACEFAST |
|---|---|
| Product Name | ACEFAST K2 Max Portable Wireless Speaker |
| Colour | Black |
| Product Type | Portable wireless speaker |
| Bluetooth Version | Bluetooth 5.3 |
| Battery Capacity | 7000mAh |
| Charging Time | About 6 hours |
| Usage Time | Up to 7 hours |
| Speaker Units | 1 low-frequency speaker + 2 mid-frequency speakers + 2 high-frequency speakers |
| Rated Power | 110W |
| Peak Power | 220W |
| Playback Modes | Bluetooth, USB flash drive, AUX and other supported modes |
| Audio Chip / Processing | DSP audio signal optimisation |
| Extra Functions | Hands-free calls, two EQ modes, dynamic RGB lighting, power bank function |
| Power Bank Output | 5V/2A |
| Waterproof Rating | IPX5 |
| Materials | Plastic, fabric mesh, aluminum alloy |
| Dimensions | 486 × 180 × 233mm |
| Weight | 5.37kg |
| Recommended Use | Outdoor parties, backyard BBQs, camping, garage sessions, poolside use, home entertainment, small gatherings |
See how the ACEFAST K2 Max compares with popular portable party speakers in price, power, playback options and outdoor-friendly features.

Competitor pricing and features are approximate and may vary by retailer. Please check the latest product specifications before purchase.
Use the ACEFAST K2 Max for a backyard BBQ, camping trip, house party, garage workout or small outdoor event. It is best when you want a portable speaker that can play louder, handle splashes, connect in multiple ways and add visual energy with RGB lighting.
Yes. With 220W peak power, IPX5 water resistance and a portable build, it is a strong option for outdoor parties, BBQs, camping and backyard gatherings.
The speaker offers up to 7 hours of music time. Actual battery life may vary depending on volume level, lighting effects and playback mode.
Yes. Besides Bluetooth, it also supports USB flash drive and AUX playback, making it useful for offline music or wired audio sources.
Yes. The speaker supports 5V/2A output, which can be used for emergency charging of compatible devices.
It has an IPX5 waterproof rating, which helps protect against splashes and outdoor use. It should not be fully submerged in water.
It is best for users who want a high-power portable speaker for parties, backyard entertainment, camping, garage use or larger indoor spaces.
We currently deliver across Australia. For international shipping inquiries, please contact our customer support team for assistance.
Note: Delivery times may be subject to delays due to unforeseen circumstances (e.g., weather, public holidays, or global events). We’ll keep you updated on your order status whenever possible.
Orders will be processed within 1–2 business days after payment is confirmed. For pre-order items, your order will be shipped once all items are ready.
Once your order is shipped, we will email you a tracking number so you can monitor the delivery progress on our website or through the courier service.
If you have specific delivery requirements, such as a preferred delivery time, please include the details in the "Order Notes" section during checkout. We will do our best to accommodate your request.
If you have any questions about our shipping policy or need assistance, feel free to reach out:
At 2 Lazy Tech, customer satisfaction is our top priority. If you’re not completely satisfied with your purchase, we’re here to help. Below is our return and refund policy:
You can return items within 15 days of receiving your order. To be eligible for a return:
Note: Certain items, such as clearance products or personal hygiene items, may not be eligible for return. Please check with our customer support team before purchasing.
Once we receive and inspect the returned item, we will notify you of the approval or rejection of your refund. If approved:
We only replace items if they are defective or damaged. To request an exchange, please contact us at support@2lazy.com.au.
If you receive a damaged or defective item:
You can cancel orders within 12 hours of purchase if they haven’t been shipped yet. To cancel an order, email us at support@2lazy.com.au.
If you have any questions about our return and refund policy, feel free to reach out:
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