NextGen TV Box Gen 2 ATSC 3.0 & ATSC 1.0 Digital Converter Box | 64GB Built-in Storage | Over-the-Air TV Tuner & Receiver | 4K HDR | Wi-Fi & Bluetooth | Built-in DVR Recording

SpecPicks Verdict

SpecPicks classifies ADTH NextGen TV Box Gen 2 ATSC 3.0 & ATSC 1.0 Digital Converter Box… as a niche pick — read recent reviews before buying in the storage adapters category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. ADTH's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for storage adapters of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Key Features

• NEXTGEN TV ATSC 3.0 + ATSC 1.0 TUNER IN ONE BOX – Advanced over-the-air TV receiver supports both ATSC 3.0 (NextGen TV) and legacy ATSC 1.0 broadcasts. Ideal digital converter box for upgrading older TVs or adding live OTA TV channels to any HDMI display. TV antenna required.
• NO CABLE OR SUBSCRIPTION FEES – Watch local news, sports, and major broadcast networks with a TV antenna. A cost-effective solution for cord cutters seeking free HD and 4K over-the-air television.
• UP TO 4K HDR TV TUNER OUTPUT – Supports up to 4K resolution with HDR for sharper detail, richer color, and improved contrast on compatible NextGen TV broadcasts and 4K TVs (broadcast availability varies by location).
• 64GB BUILT-IN STORAGE WITH DVR RECORDING & PLAYBACK – 64GB of onboard storage comes ready for DVR use right out of the box — no additional accessories required. Record live over-the-air TV with pause, rewind, and replay functionality for convenient time-shifted viewing. Expand recording capacity further by connecting external storage (USB flash drive or microSD card, sold separately).
• DOLBY DIGITAL PLUS & AC-4 AUDIO SUPPORT – Compatible with modern broadcast audio formats for clearer dialogue and immersive sound when supported by your TV or audio system. Smart TVs required for this functionality.
• EASY HDMI SETUP DIGITAL TV RECEIVER – Connect via HDMI to your TV and coaxial input to your antenna. Guided on-screen channel scanning makes setup quick and simple.

Full Specifications

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ADTH NextGen TV Box Gen 2 ATSC 3.0 & ATSC 1.0 Digital Converter Box | 64GB Built-in Storage | Over-the-Air TV Tuner & Receiver | 4K HDR | Wi-Fi & Bluetooth | Built-in DVR Recording is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-22. Price and availability subject to change.