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ZK-502L Bluetooth 5.0 12/24V Wireless Stereo Audio Digital Power Amplifier Board 50Wx2 Bluetooth Amp Amplificador, without Shell
ZK-502L Bluetooth 5.0 12/24V Wireless Stereo Audio Digital Power Amplifier Board 50Wx2 Bluetooth Amp Amplificador, without Shell
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1. The potentiometer adjusts the volume with a switch for easy control of the volume, making it good for DIY speakers.If it is a metal box, you need to bring out the Bluetooth antenna.
2. The copper DC connector is used to withstand high current and no heat.
3. Capacitor 470uf35V solid capacitors ensure power storage and heat dissipation, and stable power supply is a prerequisite for good sound quality.
4. Free DC head lead, compatible with the input power interface of this product, even if you do not have a DC head adapter or battery, it can be easily wired.
5. Bluetooth 5.0 version, the transmission efficiency is higher, the transmission distance is farther.
Precautions for use: The power switch on the board is the standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or unplug the DC plug on the machine for a long time.
Specification
1. Material: ABS plastic
2. Bluetooth version: 5.0
3. Adaptation supply voltage: 5-24V(optional 9/12/15/18/24V adapter, high power recommended high voltage)
4. Adapter speaker: 30-200W, 4 ohms, 8 ohms
5. Number of channels: Left and right stereo(stereo)
6. Bluetooth transmission distance: 15m(without occlusion)
7. Protection mechanism: Self-recovery overheat protection, self-recovery short circuit protection
8. Size: 55 x 38 x 17mm
Tip:
To have enough out put power if the input is sufficient and the supply voltage/current is sufficient. The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power. In the case of sufficient voltage and current, the larger the ohms of the horn, the smaller the relative sound powre. Please pay attention!
Power supply voltage: 12V--8 ohm speaker/12W(left channel) + 12W(right channel), 4 ohm speaker/20W + 20W
15V--8 ohms/18 + 18W, 4 ohms/greater than 30 + 30W
19V--8 ohms/32 + 32W, 4 ohms/greater than 45 + 45W
24V--8 ohms/38 + 38W, 4 ohms/greater than 50 + 50W
Shipping Info
Shipping Info
🚚 Shipping & Delivery Information
📦 Order Fulfillment & Processing
We fulfil all orders directly from our partner warehouse in Shenzhen, China, working with Royal Mail as our logistics partner for reliable China-to-UK deliveries.
- Order Cutoff Time: 12:00 AM London Time
- Processing Time: 1–3 business days from order placement
- Business Days: Monday to Friday (excluding UK public holidays)
🇬🇧 UK Shipping
✅ FREE SHIPPING on all orders to any UK address
- Delivery Time: 5–10 business days after dispatch
- Service: Royal Mail priority air freight with customs clearance
- Tracking: Full tracking provided via email once dispatched
Note: Delivery times may occasionally vary due to remote locations or UK public holidays.
💷 UK Customs, Duties & Taxes
Orders Under £135:
- ✅ Delivered Duty Paid (DDP) - all import duties and taxes are pre-paid on your behalf
- ✅ The price you pay is final with no additional charges upon delivery
- ✅ Faster customs clearance with no duty-related delays
Orders Over £135:
- ⚠️ Shipped without DDP - additional customs duties, VAT, and handling fees will apply
- ⚠️ You will be contacted by the courier or customs office before delivery to pay these charges
- ⚠️ These charges are the customer's responsibility and not included in our prices
🌍 International Shipping
We ship worldwide with shipping transit time and costs calculated and displayed at checkout.
- Customs & Duties: May apply depending on local regulations (customer responsibility)
- Clearance Times: Vary by country and may cause delivery delays
- Important: Check your country's import regulations before ordering
⚠️ Important Shipping Policies
Refused Customs Fees:
- If shipment returned to us: Refund of order amount minus shipping and return fees
- If package abandoned/destroyed by customs: No refund available
Damaged in Transit:
- Inspect your order immediately upon delivery
- Report visible damage within 48 hours for swift resolution
- Does not affect your 6-month manufacturing fault guarantee
📱 Order Tracking
You'll receive a Royal Mail tracking link via email as soon as your parcel leaves our warehouse, allowing you to monitor delivery progress from origin to your doorstep.
🚀 Shipping Service Details
Our standard shipping service is optimised for the best balance of speed and reliability. We currently do not offer a separate express shipping option, but our standard service provides efficient delivery through Royal Mail's priority network.
Delivery Issues
If you experience delivery problems:
- Contact us immediately at sales@bashfashion.co.uk
- Provide your order number and tracking information
- We'll investigate and resolve within 1 business day
- 30-Day Guarantee: Full refund or reshipment if not delivered within 30 days
📞 Shipping Support
Email: sales@bashfashion.co.uk
Response Time: Within 1 business day
Hours: Monday-Friday, 9:00 AM - 5:00 PM (UK time)
Customer Account: account.bashfashion.co.uk
Return Info
Return Info
Change-of-Mind Returns (30 Days)
Changed your mind? No problem. You have 30 days from the day of delivery to return an item for a full refund. To be eligible, the item must be in new, unused condition with its original tags and packaging. Please note that gift cards are non-refundable.
Faulty or Damaged Items (6-Month Guarantee)
We stand by our quality. If your item has a manufacturing fault, you can return it within six months of delivery at our cost. You have the right to choose a repair, a replacement, or a full refund.
Items Damaged on Arrival
Please inspect your order upon delivery. To ensure a swift resolution for items damaged in transit, you must notify us of any visible damage within 48 hours of receiving your order. This allows us to promptly address the issue with our couriers and does not affect your 6-month guarantee for manufacturing faults.
How to Start a Return
You can start a return in one of two ways:
- Online: Log in to your account at account.bashfashion.co.uk to log your return directly.
- Email: Email us at sales@bashfashion.co.uk with your order number and the reason for the return.
For faulty items, please include photos to help us speed things up. We'll reply with instructions within one business day.
Return Shipping Costs
- For change-of-mind returns, you are responsible for the return shipping cost.
- For faulty, damaged, or incorrect items, we will provide a prepaid shipping label to cover the cost. For locations where we are unable to generate a return label, we will kindly ask for your assistance in returning the item. In such cases, the return shipping cost must be agreed upon with us before sending the package, and a copy of the receipt from the delivery company will be required for reimbursement. We will refund the cost directly to your account or provide store credit for future purchases.
Refund Processing
Once we receive and inspect your return, your refund will be processed to your original payment method within 5 business days.
