JBL MA310
5.2-channel home cinema amplifier with built-in Bluetooth, HDMI inputs and 24-bit DAC, for a compact audio-video setup.
Description
The JBL MA310 is a 5.2-channel audio-video amplifier designed to equip a home cinema installation. It handles both speaker amplification and video source management, with 4K signal pass-through via its HDMI inputs.
The unit is built around five Class D amplification channels, a technology known for its low operating noise. Rated power reaches 60 W RMS at 8 ohms and 100 W RMS at 4 ohms, measured at 1 kHz with two channels driven simultaneously and a maximum total harmonic distortion of 0.5%. A 24-bit / 192 kHz DAC is built in for digital signal processing, and the amplifier supports Dolby and DTS formats. The Bluetooth function allows music content to be streamed without an additional cable, and an EZ Set EQ calibration makes setting up the system easier.
In terms of connectivity, the MA310 offers 4 HDMI inputs and 1 HDMI output with ARC, allowing a television, games console or set-top box to be connected via a single output socket. It also has 2 RCA inputs, 1 optical input, 1 coaxial input and 2 subwoofer outputs.
This type of amplifier suits a compact 5.2 home cinema setup, combining several speakers and a subwoofer, in a living room where centralising audio-video sources via HDMI simplifies day-to-day use.
Technical specifications
| Power | 60 W RMS at 8 Ω / 100 W RMS at 4 Ω (1 kHz, 2 channels driven, 0.5% max THD) |
| Dimensions (H × W × D) | 109 x 432 x 347 mm |
| Weight | 5.1 kg |
What to check before buying used
On this type of AV amplifier, the HDMI inputs are worth testing with a 4K/HDR source to check for any flickering or signal loss, a common sign of a worn HDCP circuit. The speaker terminals and RCA connectors should be examined for play or oxidation, and checking the volume potentiometer will rule out any crackling when turned. The Bluetooth function and EZ Set EQ are best tested under real conditions, as these electronic modules are among the first to weaken with the age of the unit.
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