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Crestron DM-NAX-AMP-X300 X-Series 300 W Flexible Output Amplifier

Crestron part number DM-NAX-AMP-X300

The Crestron DM-NAX-AMP-X300 is a 300 W X-Series audio-over-IP amplifier that accepts DM NAX, Dante, AES67 and local inputs, all with full DSP. Its outputs can be configured for low impedance speakers or 70V and 100V lines, which suits both residential and commercial systems.

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Installation and programming

Need it installed? Our Crestron certified engineers install, set up and programme everything we supply. A 4 hour visit is €440 and a full day €880, plus VAT.

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Crestron DM-NAX-AMP-X300 DM NAX X-Series Flexible Output Amplifier, 300 W

About the Crestron DM-NAX-AMP-X300

The four channels can be set up as four outputs of up to 75 W, two of up to 150 W, one bridged output of up to 300 W, or two 75 W outputs plus one bridged 150 W output. Operation can be Lo-Z at 4 or 8 ohms, or Hi-Z at 70V or 100V, selected with a rear panel switch. A high-pass filter (-3 dB at 80 Hz, -12 dB/octave) is used for 70V and 100V operation.

There are four balanced or unbalanced inputs on terminal blocks that accept line or mic level (up to 60 dB of gain), four balanced or unbalanced line-level outputs, and audio-over-IP streams from DM NAX, DM NVX, AES67 or Dante devices. Matrix mixing sends any input to any output, and the amplifier has a native Dante mode. Setup is through a web interface, and two 100/1000 Ethernet ports are provided.

Power comes from 100 to 240 V AC through an IEC C14 inlet, and consumption is 75 W with all channels at 1/8 power into 8 ohms. A Power Saver or Always On mode can be selected, and a remote contact input places the amplifier in standby. LEDs show power, Hi-Z mode, network, audio-over-IP, signal and fault status. The 1RU, half-rack width chassis can be surface or rack mounted and measures 44 mm high, 238 mm wide and 280 mm deep.

Key features

  • 300 W amplifier with flexible output configurations
  • Lo-Z (4 or 8 ohm) or Hi-Z (70V or 100V) operation
  • DM NAX, AES67 and native Dante mode
  • Four line or mic inputs and four line outputs
  • Matrix mixing of any input to any output
  • Full DSP, set up through a web interface
  • Always On or Power Saver modes, with remote standby input
  • 1RU half-rack width, surface or rack mounting

DM-NAX-AMP-X300 specifications

Output configurations4 x up to 75 W; 2 x up to 150 W; 1 x up to 300 W bridged; 2 x 75 W + 1 x 150 W bridged
Operating modesLo-Z 4 or 8 ohms (stereo, summed or bridged); Hi-Z 70V or 100V
Power per channelLo-Z 8 ohm: 150 W (1 or 2 channels driven), 75 W (3 or 4); Lo-Z 4 ohm: 200 W (1 channel); 70V/100V: 300 W (1 channel), 150 W (2)
Inputs4 x balanced/unbalanced line or mic on 3-pin terminal blocks; +21 dBu maximum; mic gain up to 60 dB; audio-over-IP streams
Outputs4 x balanced/unbalanced line level on 3-pin terminal blocks; speaker outputs on 2 x 4-pin 5.08 mm plugs, up to 12 AWG
Audio over IPDM NAX, AES67 and native Dante mode; matrix mixing of any input to any output
PerformanceSpeaker output 20 Hz to 20 kHz ±0.5 dB at 1 W; line input THD+N below 0.005%, S/N 105 dB
Network and control2 x RJ-45 100/1000 Ethernet; web interface; REMOTE dry contact input for standby
Power100-240 V AC, IEC 60320 C14 inlet, cord included; 75 W at 1/8 power into 8 ohms; Power Saver or Always On
Mounting and size1RU, half-rack width, surface or rack mount; height 44 mm (1.74 in), width 238 mm (9.38 in), depth 280 mm (11.03 in)

Part numbers on this page

Part numberVersionPriceAdd
DM-NAX-AMP-X300 Standard On request

Where the DM-NAX-AMP-X300 is used

  • Commercial background music on 70V or 100V lines
  • Residential zones with 4 or 8 ohm speakers
  • Dante and AES67 audio networks
  • Mixing local and networked sources to several outputs
  • Surface or rack mounted systems

Crestron installed by 1Install

We supply, install and programme Crestron in homes and businesses across Ireland. These photos are from our own installations. See more in our projects, or budget a whole system with our Quote Builders for homes and meeting rooms.

Neatly dressed structured cabling for a Cork office
Neatly dressed structured cabling for a Cork office
LED video wall in an office reception in Cork
LED video wall in an office reception in Cork
Large format display in an open plan office in Dublin
Large format display in an open plan office in Dublin

Questions about the Crestron DM-NAX-AMP-X300

What is the Crestron DM-NAX-AMP-X300?

It is a DM NAX X-Series flexible output amplifier rated at 300 W. It takes DM NAX, Dante, AES67 and local analogue inputs, all with full DSP, and its four channels can be configured for low impedance speakers or 70V and 100V distributed lines, for residential or commercial use.

How can the outputs of the DM-NAX-AMP-X300 be configured?

The four channels can run as four outputs of up to 75 W, two of up to 150 W, one bridged output of up to 300 W, or two 75 W outputs plus one bridged 150 W output. Slide switches set channels 1 and 2 and channels 3 and 4 to stereo, summed or bridged.

Does the DM-NAX-AMP-X300 work with 70V and 100V speakers?

Yes. An operations mode switch sets the amplifier for Lo-Z operation at 4 or 8 ohms, or Hi-Z operation at 70V or 100V. In Hi-Z mode it delivers up to 300 W with one channel driven or 150 W per channel with two, and a HI-Z LED shows when the mode is enabled.

Does it support Dante?

Yes. The amplifier has a native Dante mode and is AES67 capable, and it connects directly to a managed network to route audio to or from DM NAX, DM NVX, AES67 or Dante devices. Matrix mixing lets any input, local or networked, be sent to any output.

How is the amplifier powered and mounted?

It runs from 100 to 240 V AC through an IEC 60320 C14 inlet, with a removable cord included, and uses 75 W with all channels at 1/8 power into 8 ohms. The 1RU, half-rack width chassis supports surface and rack mounting and measures 44 mm high, 238 mm wide and 280 mm deep.

How much is the Crestron DM-NAX-AMP-X300?

Crestron asks its dealers to give the price of the DM-NAX-AMP-X300 directly rather than publish it online. Add it to your quote list and we will send you a written quote, with delivery, and installation and programming if you need them.

Can 1Install supply, install and programme the DM-NAX-AMP-X300?

Yes. 1Install is an authorised Crestron Elite Partner with offices in Skerries, Co. Dublin and Cork. We can supply the DM-NAX-AMP-X300 on its own, or install, set up and programme it as part of your system. Installation visits are €440 for 4 hours or €880 for a full day, plus VAT and travel.

Does the DM-NAX-AMP-X300 come with a warranty?

Yes. Everything we supply is new, genuine Crestron with Crestron's standard warranty. If the DM-NAX-AMP-X300 develops a fault, contact us and we will handle the claim with Crestron. If we installed it, our workmanship is guaranteed for the lifetime of the system.

Is the DM-NAX-AMP-X300 in stock?

We order Crestron for each quote, so availability depends on Crestron's stock at the time. We check it before we quote and put the expected delivery date on your quote, so you know where you stand before you pay.

Can I buy the DM-NAX-AMP-X300 without installation?

Yes. We supply Crestron to end users, with or without installation. Like most Crestron devices of this type, it needs setting up or programming before it works in a system, and we can quote for that too.

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