This is an older model (released around 2013-2015), so it may lack newer features or app support compared to current models. Some users report that it can run warm. 2. Ground Zero GZTA 4230X-B Amplifier

Noted as powerful, well-built, and high-efficiency.

Car audio amplifier (1100W, 4-channel).

A completely different product, this is a 4-channel, 1100W (RMS: 520W) Class A/B amplifier designed for car or truck audio systems.

The search results for "4230x" reveal two distinct products, with the being the primary, most common result. 1. Roku 3 (Model 4230X) Streaming Media Player Review

Supports up to 1080p FHD. Note: It does not support 4K resolution . Content: Offers a wide selection of streaming channels.