Name: 70W 2-Channel Class D Amplifier with Dante
Brand: KanexPro
SKU: AUD-DTE-70AMP

Question 1

What Dante audio formats and latency settings does it support?

Accepted Answer

It sends and receives 2 channels of Dante or AES67 PCM audio at 44.1, 48, 88.2 or 96kHz, in 16 or 24 bit. You can set Dante latency to 2, 3, 4, 5 or 10ms in Dante Controller.

Question 2

How much amplifier power do I get at each PoE class?

Accepted Answer

The 36V/2.5A DC supply gives the full 2 x 35W stereo or 70W mono. On PoE you get 2 x 25W (50W mono) at PoE++ Type 4 Class 8, 2 x 20W (40W) at Class 7, 2 x 15W (30W) at Type 3 Class 6, 2 x 10W (20W) at Class 5 and 2 x 5W (10W) at PoE+ Type 2 Class 4. Output is the same into 4 ohm and 8 ohm speakers.

Question 3

Can a control system recall scenes or set volume over the network?

Accepted Answer

Yes. It takes ASCII commands over TCP/IP on port 8000 by default, or over RS-232 at 115200 baud, 8 data bits, 1 stop bit and no parity. Examples are set preset recall 1, set master vol 50 and set mute on, and you can save up to 5 scenes.

Question 4

Can an external contact closure or voltage mute the amplifier?

Accepted Answer

Yes. The 2-pin TRIGGER input can mute the amplifier output on a high level (5-12V) or a low level (0V). Set it by sending set trigger on 1 for high or set trigger on 0 for low over RS-232 or TCP/IP.

Question 5

How do I set the rear DIP switch for my speakers?

Accepted Answer

The left switch sets impedance: up for 4 ohm, down for 8 ohm. The right switch sets the mode: up for stereo two-channel, down for bridged mono. Set both switches to match your speakers before you connect them.

Question 6

How do I wire the speakers to AMP OUT?

Accepted Answer

For a stereo pair, wire the left speaker to 1+/1- and the right speaker to 2+/2- on the 4-pin 5.08mm locking Phoenix connector. For one bridged mono speaker, use 1+/1- only.

Question 7

There is no sound from the speakers. What should I check?

Accepted Answer

First check the front Power LED: green is on, red is standby. A red LED means the unit is in standby or auto standby, so wake it with the power-on command over RS-232 or TCP/IP. Next, check that the LINE or DANTE signal LED lights for your source, then check that Input Trigger is not muting the outp

Question 8

The amplifier is quieter than expected when running on PoE. Why?

Accepted Answer

On PoE, output power depends on what the switch supplies, from 2 x 25W at PoE++ Type 4 Class 8 down to 2 x 5W at PoE+ Class 4. Check that the switch port provides Type 4 Class 8, and set the PoE power mode to match with the set amp mode command, for example set amp mode 1. For full 2 x 35W, use the

Question 9

Can it run entirely on PoE?

Accepted Answer

Yes. It takes power from an IEEE 802.3bt Class 8 PoE source on its Dante/IP port, so one network cable carries power, Dante audio and control. Amplifier output is limited on PoE. Where a project needs the full 2 x 35W, use the included 36V power supply.

Question 10

What speakers can it drive?

Accepted Answer

Low-impedance speakers from 4 ohm to 8 ohm, either as a stereo pair at up to 35W per channel or as a single speaker at up to 70W in mono mode on the 36V supply (2 x 25W / 50W on PoE++ Class 8). Impedance and stereo/mono are set with DIP switches. It does not support 70V or 100V distributed lines.