Looking to connect legacy audio gear or simple speakers to a modern TV’s HDMI ARC/eARC port? This guide highlights five well-suited options for converting TV digital audio to analog 3.5mm AUX, or bridging RCA and HDMI signals. Each pick targets common buyer needs—ease of use, compatibility, and reliable audio output. The top picks are best for different setups: from full home theater systems to basic speaker hookups. Below is a quick summary followed by detailed product breakdowns.
| Product | Best For | Key Benefit |
|---|---|---|
| Adoreen ARC/eARC to AUX (4 Ft) | TVs with ARC/eARC, simple stereo setup | Integrated 3.5mm output with USB power, durable build |
| Tengchi RCA to HDMI Converter | Old AV gear to HDMI display (composite to HDMI) | Plug-and-play composite to HDMI 1080p, USB powered |
| Eanetf Passive HDMI to RCA Cable | Direct HDMI to RCA for compatible TVs/players | Passive cable (no conversion) for supported devices |
| 192KHz ARC to 3.5mm (Not eARC) | HDMI ARC to 3.5mm on older or PCM-only systems | High-quality 192kHz PCM output, USB powered |
| Adoreen ARC/eARC to AUX (6 Ft) | Longer reach for TV-to-amplifier setups | Durable, USB-powered, clean single-cable design |
Adoreen Store ARC/eARC To AUX Extractor (4 Ft)

This device converts TV HDMI ARC/eARC audio to a 3.5mm AUX output. It is best for buyers with ARC/eARC-enabled TVs who want to feed an old speaker, amplifier, or home theater system that lacks modern HDMI inputs. The unit is USB-powered and designed to deliver stable stereo audio through PCM/LPCM formats only. It does not decode multi-channel formats like Dolby Digital or DTS, and it should not be used with non-ARC HDMI ports or game consoles. Use this if you need a clean, plug-and-play path from TV to analog sound without extra adapters. Best for: basic TV-to-analog audio setups with PCM sound and a single 3.5mm input.
Caution: USB power is required for operation. Ensure your TV has a USB port or provide a 5V USB power source. The device supports ARC/eARC only; it requires appropriate TV setting to PCM/LPCM. Not compatible with eARC-capable requirements beyond PCM. Best matched with older analog speakers or amplifiers that accept 3.5mm stereo input.
Key specs: ARC/eARC compatibility, 3.5mm AUX output, USB-powered, PCM/LPCM support, plug-and-play, durability-focused design with gold-plated connectors.
Tengchi RCA To HDMI Converter

This AV-to-HDMI converter takes analog composite input via RCA and outputs HDMI at 1080p. It is ideal for connecting older gaming consoles, VCRs, or DVD players to modern HDTVs. The device is plug-and-play and USB-powered, simplifying setup. It does not claim 4K or 3D support, and its main role is to preserve compatibility where HDMI-only inputs exist on newer displays. Best for: retro gaming, and legacy AV gear that needs HDMI presentation without extra external boxes.
Caution: Requires USB power during use. It does not convert to HDMI from digital sources; it converts analog to HDMI. Not compatible with devices that require 4K or high dynamic range features.
Eanetf Passive HDMI To RCA Cable 5ft

This is a passive HDMI-to-RCA cable designed to connect HDMI sources to RCA displays where the device itself performs no signal conversion. It is only suitable if the TV or receiver has built-in HDMI-to-RCA conversion. Use this when your source can output compatible formats and your display accepts RCA input. Not a general-purpose converter for all HDMI sources. Best for: setups where the display or receiver can handle conversion on its own and you simply need a physical cable.
Caution: This cable does not convert signals. If your devices do not support HDMI-to-RCA conversion, this cable will not work. Verify your equipment’s built-in conversion capability before purchase.
192KHz HDMI ARC To 3.5mm Audio Converter (Not eARC)

This HDMI ARC to 3.5mm converter is designed for TVs with ARC ports and PCM output. It converts the TV’s ARC digital audio to an analog 3.5mm signal suitable for soundbars, speakers, or mixer inputs. It explicitly does not support eARC or multi-channel formats like Dolby Digital 5.1 or DTS. Best for: users with ARC-enabled TVs seeking PCM-based analog audio output; ideal when you need a straightforward audio path to analog gear.
Caution: Ensure your TV’s audio output is set to PCM/LPCM. The device requires USB power. The TV’s remote control may not adjust volume during use; adjust using the connected speakers or external controls.
Adoreen Store ARC/eARC To AUX 6 Ft

This longer version of the ARC/eARC to AUX extractor provides a 6-foot run from TV to analog audio. It preserves the ARC/eARC path while delivering 3.5mm output to an amplifier or speaker system. Best for: longer-distance TV to audio setups where a single cable must carry both HDMI and analog audio signals. The design emphasizes durability and stability with a braided jacket and gold-plated connectors.
Caution: Guarantees are limited to ARC/eARC-enabled ports; non-ARC HDMI ports are not supported. USB power is required for operation, and the device does not decode multi-channel audio formats.
Buying Guide
What should I consider before buying an aux-to-hdmi or HDMI-to-aux adapter?
Compatibility matters most. Confirm your TV supports ARC or eARC on its HDMI port and whether it outputs PCM/LPCM audio. If you’re feeding analog speakers, ensure the adapter provides a working 3.5mm output and that USB power is available if required by the device.
Do I need active conversion or is a passive cable enough?
Active converters are needed when converting digital HDMI audio to analog or when bridging old RCA devices to HDMI. Passive cables work only if the receiving device already handles the signal conversion (HDMI-to-RCA, for example) within the source or display.
What audio formats are supported?
Many HDMI ARC adapters focus on PCM/LPCM audio. If your system uses Dolby Digital, DTS, or other multi-channel formats, check whether the adapter explicitly supports or decodes them. Some devices only pass through PCM sound for compatibility.
Is USB power required?
Several units require USB power for operation. Ensure you have a spare USB port on the TV or a USB power supply nearby to keep the adapter functioning reliably.
Which setup is best for best-sounding results?
For basic needs, choose a compact ARC-to-AUX extractor to feed a single stereo amplifier. If you need longer reach, a 6-foot cable may be preferable. For retro gaming or legacy AV gear, a converter that explicitly handles analog-to-HDMI or HDMI-to-analog you can trust is essential to preserve signal quality.
Quick comparison at a glance
- Best for PCM stereo with ARC: Adoreen ARC/eARC to AUX (4 or 6 ft)
- Best for turning old AV signals into HDMI: Tengchi RCA to HDMI Converter
- Best for no-fuss HDMI-to-RCA pass-through: Eanetf Passive HDMI to RCA Cable
- Best for non-eARC TVs needing analog output: 192KHz ARC to 3.5mm Converter
FAQ
- Q: Will these adapters work with my game console? A: Not typically; many are designed for TV ARC/eARC audio output to analog speakers, not for direct console connections.
- Q: Can I control volume with my TV remote? A: Some models allow TV remote control to adjust the AUX output; others require direct adjustments on the speaker system.
- Q: Do these devices support 4K or 3D? A: Most listed items focus on PCM stereo and do not claim 4K/3D support; check each product’s specifications.
- Q: Is external power required? A: Several units require USB power to operate reliably; ensure power is available.
- Q: Are these adapters plug-and-play? A: Yes, most are designed to be plug-and-play with minimal setup and no drivers.
- Q: What if my TV output is not PCM? A: Settings often need to be changed to PCM/LPCM for compatibility with these adapters.