Crestron DM NAX 4+1 Zone Streaming Amplifier, 50 W per Channel
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PRODUCT DESCRIPTION
Crestron DM NAX 4+1 Zone Streaming Amplifier, 50 W per Channel - Local Warranty
A next-generation audio-over-IP amplifier that puts Crestron multiroom audio on the network, with four amplified stereo speaker zones, one line-level stereo zone and a dedicated streaming player for each zone. It is the first Crestron amplifier to use Gallium Nitride (GaN) Class D amplification, in a half-width 1RU chassis.
Key Features
- Audio-over-IP (DM NAX / AES67) amplifier, Dante interoperable via AES67 compatibility
- Four amplified stereo speaker zones plus one stereo line-level output zone
- GaN Class D amplification, up to 50 W per channel at 4 or 8 ohms
- Built-in streaming player per zone: AirPlay 2, Spotify Connect, Apple Music, Amazon Music, TIDAL, Qobuz and more
- Full DSP with 10-band EQ, speaker protection and built-in speaker profiles
- Built-in chime library with audio ducking
- 1RU, half-rack width, high-density stackable; rack mount parts included
DM-NAX-4ZSA-50 Datasheet — Technical Specifications
General
| Product Name | DM NAX® 4+1 Zone Streaming Amplifier |
| Brand | Crestron |
| Part Numbers | DM-NAX-4ZSA-50 |
| Device Type | Audio-over-IP amplifier, encoder and decoder |
Audio
| Input Signal Types | 2 stereo analog (RCA); 2 digital S/PDIF; up to 5 stereo DM NAX or AES67 streams; up to 5 stereo cloud media streams |
| Output Signal Types | 4 stereo speaker-level amplified outputs; 1 stereo analog line-level output; up to 9 stereo DM NAX or AES67 streams |
| Output Power | 50 W per channel at 4 or 8 ohms; power limiting configurable 5–50 W |
| Sampling Rates | Coaxial, optical and media players: up to 192 kHz, 24-bit |
| Frequency Response | 20 Hz–20 kHz ±0.5 dB |
| THD | 0.006% |
| S/N Ratio | 110 dB digital in; 108 dB analog in |
| Stereo Separation | 95 dB @ 1 kHz, 8 ohm; 90 dB @ 1 kHz, 4 ohm |
| Zone Separation | 100 dB @ 1 kHz, 8 ohm; 95 dB @ 1 kHz, 4 ohm |
| Zone Configuration | Stereo single ended; mono single ended |
| Amplifier Monitoring | Over current, over/under voltage, over temperature, DC offset, clipping |
DSP
| Volume / Bass / Treble | -80 to +20 dB zone volume; bass and treble ±12 dB |
| Loudness / Dynamic Range | Loudness on/off; dynamic range control off/low/medium/high |
| Tone Profiles | Flat, Classical, Jazz, Pop, Rock, Spoken Word |
| EQ | 10-band per output; EQ, High Pass, Low Pass, Treble Shelf, Bass Shelf, Notch |
| EQ Center Frequency / Gain / Bandwidth | 10 Hz–20 kHz; +20/-40 dB; 0.1–4.0 octaves per band |
| Bus Volume Offset | ±12 dB per zone for output bussing |
Connectors
| Speaker Zones 1–4 | 4 x 4-pin 5.08 mm detachable terminal blocks, up to 12 AWG |
| Line Out 5 | RCA unbalanced stereo, 100 ohm, 2 Vrms max |
| Digital Input 1 | RCA S/PDIF coaxial, 75 ohm |
| Digital Input 2 | TOSLINK S/PDIF optical |
| Analog Inputs 3–4 | RCA unbalanced stereo line-level, 10 kohm, 2 Vrms max |
| Ethernet | 2 x RJ-45 100/1000 Mbps, for control, AoIP and/or console |
| Power Inlet | IEC 60320 C14, removable power cord included |
Power, Environmental & Physical
| Main Power | 1.0–0.4 A @ 100–240 VAC, 50/60 Hz |
| Power Consumption | 50 W (all channels at 1/8 output power, 8 ohms) |
| Heat Dissipation | 85 BTU/hr |
| Operating Temperature | 0° to 40° C, 10% to 90% RH non-condensing |
| Chassis | Metal, black and silver finish, vented front and rear panels |
| Mounting | 1RU rack-mountable, half-rack width |
| Dimensions (H x W x D) | 44 x 220 x 279 mm (1.72 x 8.66 x 10.97 in) |
| Weight | 1.88 kg (4.15 lb) |
| Compliance | Intertek Listed for US & Canada, CE, IC, FCC Part 15 Class B |
Compatibility & Software Support
Ecosystem
| Audio-over-IP | DM NAX and AES67; DM NVX via the AES67 secondary audio stream |
| Dante | Interoperable via compatibility mode enabled through Dante Controller |
| Configuration | Web interface, SIMPL Windows, C# and/or RESTful API |
| System Scale | A single DM NAX system supports 32 DM NAX devices and up to 256 audio output zones |
| Streaming Services | Apple Music, Amazon Music, AirPlay 2, Internet Radio, Spotify Connect, Pandora, SiriusXM, TIDAL, Deezer, Qobuz, SOUNDMACHINE, Podcasts |
| Programming | Crestron system integration with SIMPL Windows programming |
Xtra Channels are not supported.
Package Contents & Ordering Information
Models
| Configuration | Part number |
| 4+1 zone streaming amplifier, 50 W per channel | DM-NAX-4ZSA-50 |
Rack mount parts and a removable power cord are included, per Crestron.
Datasheet & Downloads
| Product page | Crestron DM-NAX-4ZSA-50 product page |
Frequently Asked Questions — DM-NAX-4ZSA-50
How many zones does the DM-NAX-4ZSA-50 provide?
Five: four amplified stereo speaker zones and one stereo analog line-level output zone, each with its own streaming service player.
How much power does it deliver?
Up to 50 W per channel at 4 or 8 ohms, using Gallium Nitride (GaN) Class D amplification.
Does it work with Dante and DM NVX?
Yes. It is built on AES67, works with DM NVX through the AES67 secondary audio stream, and interoperates with Dante devices via the compatibility mode enabled in Dante Controller.
Can I rack mount it?
Yes. It is a half-width 1RU unit that can be installed individually or ganged with another amplifier in a single rack space. Rack mount parts are included.
Which streaming services are built in?
Apple Music, Amazon Music, AirPlay 2, Internet Radio, Spotify Connect, Pandora, SiriusXM, TIDAL, Deezer, Qobuz, SOUNDMACHINE and Podcasts, among others.
