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Description
Product Overview
The USBridge Sig is a purpose-built digital transport designed for ultra-low-noise USB audio output. Built on the Raspberry Pi Compute Module, it offers full software compatibility and access to the latest Linux kernels—keeping it far ahead of other solutions in both features and updates.
Its architecture is engineered to eliminate electrical noise at every level. Using over 30 low-dropout regulators (LDOs), each power rail—from USB to Ethernet to even the SD card—is individually regulated. With zero switching elements on the board, signal integrity is preserved for the cleanest possible USB audio.
The USBridge Sig is fully compatible with Raspberry Pi HATs, enabling you to pair it with options like the DigiOne or DigiOne Signature for a complete high-end streamer that outputs via USB, BNC, and coaxial.
Key Features
- Ultra-clean USB audio with dedicated “USB CLEAN” output port
- Supports: DSD up to 512 and PCM up to 768kHz (DSD 1024 possible in theory)
- Noise reduction at every stage – 30+ LDOs, isolated power rails
- 10-layer PCB for optimal signal integrity
- Raspberry Pi connector – compatible with all RPi HATs
- Flexible streaming setup – combine with DigiOne or DigiOne Signature for multiple outputs
- High-speed networking – Gigabit Ethernet tested up to 330 Mbps
Key Specs
Technical Specifications
USB Ports:
- 3 × USB 2.0 Host (up to 900mA each)
- 1 × Rear “USB CLEAN” (dedicated DAC connection)
- 2 × Front for Wi-Fi/BT dongles
Connectivity:
- 1 × Gigabit Ethernet Port (AX88179 chipset)
- 1 × HDMI (rear)
Storage & OS:
- MicroSD card slot for OS (8GB or larger recommended)
Power:
- Main: 5V/3A via USB-C
- DigiOne Signature Clean Power: 5V/1A adapter or battery pack (5V–9V range)
Audio Output:
- USB Audio: DSD512 / PCM 768kHz
- DSD1024 theoretically possible
Design & Build:
- 10-layer PCB
- 30+ Low Dropout Regulators (LDOs)
- No switching elements
Status Indicators:
- Green PWR LED – Power status
- Red ACT LED – SD card activity
Shipping & Delivery
At Rabas Technologies, we are committed to providing a transparent and efficient shipping experience for all our customers. We offer various shipping options to meet your needs, with clear pricing and estimated delivery times for both national and international orders.
Shipping Partners
We partner with reliable carriers to ensure your products arrive safely and on time. Our primary shipping partners are DHL and India Post.
Shipping Options & Delivery Estimates
Shipping costs are calculated at checkout based on the products in your order and the shipping method you select.
- DHL - Express Shipping
- Delivery Time: 3-6 working days.
- India Post - Standard Shipping
- Delivery Time: 7-15 working days.
- Special Rate Shipping
- Some products are subject to a special shipping rate due to their heavy weight. This will be clearly indicated on the product page and at checkout.
Order Processing Time
All orders are processed and prepared for shipment within 1-2 business days (Monday to Friday, excluding holidays). You will receive a shipping confirmation email with a tracking number as soon as your order has been dispatched.
Important Information
- Business Days: Please note that delivery times are based on business days and do not include weekends or public holidays.
- Tracking: A tracking number will be provided for all shipments, allowing you to monitor your package's journey.
- International Shipping: For international orders, please note that Rabas Technologies is not responsible for any customs duties, taxes, or fees that may be applied upon arrival in the destination country. These charges are the sole responsibility of the customer.
- Delays: While we strive to meet the estimated delivery times, please be aware that delays can occasionally occur due to unforeseen circumstances, such as weather events or customs processing.
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