Loxjie A40

Keep what you have: If your current amplifier already drives the speakers cleanly and the only missing feature is streaming, adding a small network streamer is usually the lower-risk change. If the only missing feature is TV sound, optical may solve the problem without replacing the amplifier.

TV and HDMI

HDMI ARC is documented. eARC and HDMI-CEC behavior are not confirmed in the accessible official specification, so do not assume the TV remote will control volume or power. Verify PCM output, ARC handshaking and lip-sync behavior with the exact TV model.

Turntable

The A40 has a phono input and ground terminal. Confirm the cartridge type and loading in the exact manual supplied with the unit before connecting; use LINE rather than PHONO when the turntable’s own preamp is enabled.

Passive speakers

Loxjie rates the amplifier at 2 × 165 W into 4 ohms and 2 × 85 W into 8 ohms. These are manufacturer figures, not SoundPath Lab measurements. Continuous output, thermal limits and behavior into difficult impedance curves have not been independently tested here.

Subwoofer

A mono SW OUT is documented for an active subwoofer. A confirmed main-speaker high-pass filter and adjustable crossover are not documented in the sources checked, so budget for a subwoofer with its own level and low-pass controls unless the exact unit’s menu proves otherwise.

Headphones

6.35 mm and 4.4 mm sockets are documented. Connector shape alone does not prove a fully balanced circuit or sufficient power for a demanding headphone; official output-power figures were not located in the checked material.

Computer and digital audio

The manual lists USB-C, optical and coaxial inputs and manufacturer support claims up to PCM 32-bit/768 kHz and DSD256 over the applicable digital path. Confirm driver requirements, operating-system support and actual application behavior before relying on the maximum format claim.

Bluetooth

The official manual lists LDAC, aptX HD, aptX, AAC and SBC reception. The source device must support the same codec. Bluetooth transmission to wireless headphones is not documented.

• A separate streamer is required for native network services and multi-room playback.
• An external phono stage may still be needed for an incompatible cartridge or lower-noise requirement.
• A subwoofer with onboard crossover controls is the safer assumption until bass-management behavior is verified.
• A separate headphone amplifier may be required for insensitive or high-impedance headphones.
• Regional shipping, import tax, return freight and warranty handling can outweigh a small purchase-price saving.

Price status: No stable worldwide price is recorded because channels, tax and shipping vary. Check the final delivered cost and return address in your region rather than comparing headline prices alone.

Verified from manufacturer documentation

Input and output types, chassis dimensions, the stated 4-ohm and 8-ohm power figures, USB format claims and the listed Bluetooth codecs.

Editorial inference

The A40 is strongest when its multiple local inputs eliminate separate boxes. That is a system-cost judgment, not a claim of superior measured or audible performance.

Not independently tested

HDMI reliability, CEC behavior, lip sync, phono noise and loading, headphone power, USB wake behavior, subwoofer filtering, thermal behavior and output into real loudspeaker loads.

Owner evidence

One owner reported that the first second of short USB audio clips could be cut off. This is a single report with unknown firmware and hardware revision, not a confirmed model-wide behavior. SoundPath Lab has not reproduced it.

Software status

The official downloads page lists an A40 driver dated 2023-11-16. No separate current firmware package or public support-lifecycle commitment was verified on 2026-09-08.

Primary sources: Loxjie A40 official product page, Loxjie A40 instruction manual, version 1.1, and Loxjie official downloads page.

Owner-evidence lead: single report of short USB clips losing their opening audio. Firmware, hardware revision and reproduction frequency are unknown; the report is not treated as a confirmed fact.

Cross-check: Audiophonics A40 specification and connector listing and HiFi-Express A40 listing. Retail listings are used only to cross-check the physical configuration; they do not establish independent performance.

Disclosure: SoundPath Lab has not received payment or a sample from Loxjie for this profile. Any future commercial link will remain separate from product facts and editorial judgment.

Reviewed — verdict unchanged. The A40 remains a credible shortlist option for a compact local-source system. The decision still depends less on its headline power number than on whether the buyer needs its particular mix of HDMI ARC, phono, USB, Bluetooth, headphones and subwoofer output.

Wait or choose another route when dependable CEC control, network-service support, room correction, published bass management or extensive regional after-sales documentation is essential.

Next evidence trigger: a current firmware package, an official support-policy change, an independently documented HDMI/USB behavior change, or a reviewed owner submission tied to a reproducible setup.