Smart Payment Soundbox (4G LTE) – Custom White-Label Solution
The Smart Payment Soundbox provides clear, real-time voice alerts for instant payment confirmation using reliable 4G LTE connectivity. It is a white-label, cloud-connected device offering customizable branding, voice prompts, and seamless integration with payment platforms, ideal for high-volume merchant environments.
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Real-Time Voice Alerts for Instant Payment Confirmation
Our Smart Payment Soundbox is a cloud-connected audio notification device designed for merchants who need instant, reliable transaction alerts in high-volume and noisy environments. Powered by 4G LTE connectivity, this compact soundbox announces payment confirmations in real time, ensuring no transaction is missed—even during peak business hours.
Built as a white-label hardware solution, it can be fully customized with your brand, firmware logic, voice prompts, and backend integrations.
Key Use Cases
- Retail stores & supermarkets
- QSRs & food courts
- Street vendors & kiosks
- Parking payments
- Toll booths & transit counters
- Event ticketing & cashless counters
Key Features
Loud & Clear Voice Broadcast
- High-power speaker delivers clear, audible payment confirmations
- Optimized for busy and crowded merchant locations
- Ensures merchants never miss a successful transaction alert
Cloud-Connected & Real-Time
- Always-on 4G LTE connectivity
- Instant synchronization with payment servers
- Prevents missed or failed transaction notifications
Fast & Reliable Performance
- Low latency communication
- Supports continuous operation during peak hours
- Designed for high transaction volumes
White-Label & Customizable
- Custom branding (logo, casing, voice prompts)
- Custom firmware & cloud API integration
- Compatible with UPI, wallet, POS, and payment gateway platforms
Built-In Rechargeable Battery
- Long-lasting Li-ion battery
- Reliable operation during power interruptions
Why Choose HashStudioz for Payment Soundbox Solutions?
- End-to-end custom hardware + firmware + cloud
- White-label manufacturing support
- API & payment gateway integration
- Voice prompt customization
- Scalable deployment for fintechs & aggregators
- Ideal for PoC, pilot, and mass rollout
Customization & Integration Support
We offer:
- Custom firmware logic
- Multi-language voice prompts
- Payment gateway & UPI integration
- Device provisioning & OTA updates
- Dashboard & merchant management system
LTE Connectivity Specifications
- LTE Module: Industrial-grade LTE Cat-1 Module
- Network Modes: FDD LTE & TDD LTE
- LTE Bands (Configurable):
- B1/3/5/8/34/38/39/40/41
- OR B1/3/5/7/8/20/28
- OR B1/2/3/4/5/7/8/28
- OR B2/4/5/7/12/13/66/40/41
- LTE Protocol: 3GPP E-UTRA Release 13
- Bandwidth: 1.4 / 3 / 5 / 10 / 15 / 20 MHz
- Data Speed:
- FDD: Up to 10 Mbps DL / 5 Mbps UL
- TDD: Up to 8 Mbps DL / 2 Mbps UL or 6 Mbps DL / 4 Mbps UL
- Antenna:
- Internal FPC Antenna
Audio Specifications
- Speaker Output: 3W × 1
- Sound Pressure Level: ≥85 dB @ 100 cm
- Total Harmonic Distortion: ≤2% @ 1 kHz
- Frequency Range: 350 Hz – 20 kHz
- Impedance: 4Ω
Power Specifications
- Input Power: DC 5V / 1A
- Battery:
- 3.7V
- 2000 mAh Rechargeable Li-ion Battery
Interfaces & Controls
- USB Port: USB Type-C × 1
- LED Indicator: RGB Status LED × 1
- Physical Keys:
- Power Key × 1
- Volume Up × 1
- Volume Down × 1
- Function Key × 1
- Refresh Key × 1
Based on 5 reviews
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1. How does the Smart Payment Soundbox confirm payments instantly?
The device is cloud-connected via 4G LTE, enabling real-time communication with your payment server. As soon as a transaction is successful, it instantly announces a loud voice confirmation, ensuring you never miss a payment—even during peak hours.
2. Does it work with UPI and other payment platforms?
Yes. The soundbox supports integration with UPI, wallets, POS systems, and payment gateways through custom APIs. It can be configured to work seamlessly with your existing fintech or merchant payment ecosystem.
3. Will the voice alert be clearly audible in noisy environments?
Absolutely. It features a 3W high-power speaker with ≥85 dB sound output, optimized for crowded locations like retail stores, QSRs, street vendors, toll booths, and event counters.
4. What happens during a power cut?
The device includes a 2000 mAh rechargeable Li-ion battery, allowing it to continue operating during power interruptions so you don’t miss transaction confirmations.
5. Can the device be customized with our brand and voice prompts?
Yes. It is a white-label solution, meaning you can customize the logo, casing, firmware logic, voice prompts (including multi-language support), and backend integration. It is ideal for fintech companies planning PoC, pilot, or mass deployment.
Jai Raj –
Perfect solution for our payment kiosks. 4G connectivity is fast and stable, even in crowded areas.
Jai Raj –
surbhi pandey –
Great audio quality and reliable network performance. Custom branding looks professional.
surbhi pandey –
Shivani Sharma –
Worked great out of the box — integrated payment prompts and sound cues exactly as we needed.
Shivani Sharma –
Parveen Singh –
Strong LTE reception and solid construction. Ideal for retail and outdoor installations.
Parveen Singh –
Sachin Sonker –
Highly customizable and robust. This soundbox has helped us enhance customer interaction.
Sachin Sonker –