Crestron X-Series 75 W Amplifier
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PRODUCT DESCRIPTION
Crestron X-Series 75 W Amplifier - Local Warranty
A space-saving, energy-efficient 2-channel Class D amplifier that can be configured for stereo low-impedance, bridged or 70V/100V distributed speaker operation. It mounts on a wall, under a table or in a rack, with all mounting hardware included.
Key Features
- 2 x 35 W stereo LoZ, 1 x 75 W bridged (8 ohm), or 1 x 75 W Hi-Z (70V/100V)
- Quarter-rack width, 1 RU form factor, gangable with other Crestron half- and quarter-rack products
- Two balanced terminal-block inputs plus a 3.5 mm unbalanced input, summed for simultaneous use
- Auto standby after 25 minutes without signal and approximately 0.1 s wake time; remote standby via contact closure
- Fanless convection cooling and internal universal 100–240 V power supply
- Stereo ALS line-level output for assistive listening systems
- Comprehensive fault and speaker protection with captive speaker connectors
AMP-X75 Datasheet — Technical Specifications
General
| Product Name | X-Series Amplifier, 75 W |
| Brand | Crestron |
| Part Numbers | AMP-X75 |
| Amplifier Type | 2-channel Class D |
Audio
| Input Signal Type | Balanced or unbalanced analog line-level |
| Output Power, LoZ | 35 W per channel @ 8 or 4 ohm (single ended, 1 or 2 channels driven); 75 W bridged @ 8 ohm |
| Output Power, Hi-Z | 75 W @ 70V or 100V |
| Frequency Response | 20 Hz–20 kHz ±0.5 dB at 1 W |
| High-Pass Filter | -3 dB @ 80 Hz, -12 dB/octave (70V/100V only) |
| THD+N | <0.1% at 1 kHz @ -3 dB full rated output power |
| S/N Ratio | >103 dBA, 20 Hz–20 kHz, balanced |
| Crosstalk | -75 dB at 1 kHz |
| Input Sensitivity | 1.23 Vrms (+4 dBu) balanced; 0.316 Vrms (-10 dBV) unbalanced |
| Gain | 23 dB @ 8 ohms, balanced input |
| Standby / Wake | Standby after 25 minutes with no signal; wake time 0.1 s; wake threshold 0.44 mV (typical) |
| Protection | Clipping, over current, under voltage, over temperature, DC offset, extreme high frequency |
Connectors
| Speaker Output | 1 x 4-pin 5.08 mm captive plug with screw locking retainers; up to 12 AWG; direct-coupled |
| Balanced Inputs | 2 x 3-pin 3.5 mm terminal blocks (max +20 dBu, 20k ohm) |
| Unbalanced Input | 1 x 3.5 mm TRS (max +7 dBV) |
| ALS Out | 1 x 3.5 mm, fixed output duplicating the summed inputs |
| Remote | 1 x 2-pin 3.5 mm terminal block; dry contact closure for standby |
| Power Inlet | IEC 60320 C14; removable power cord included |
Controls & Indicators
| Mode Switch | Stereo, Sum, Bridge (LoZ), 70V or 100V (Hi-Z) |
| Gain | 2 x screwdriver-adjustable detented rotary controls |
| Indicators | PWR, HI-Z, SIGNAL (x2, presence/clip), FAULT (x2) |
Power & Environmental
| Main Power | 370–200 mA @ 100–240 VAC, 50/60 Hz (internal universal supply) |
| Power Consumption | 18.63 W (2 channels at 1/8 output, 4 ohms); 7.60 W idle (Hi-Z); 0.41 W standby |
| Heat Dissipation | 63.6 BTU/hr at 1/8 output; 25.9 BTU/hr idle; 1.4 BTU/hr standby |
| Operating Temperature | 5° to 40° C (41° to 104° F) |
| Humidity | 10% to 90% RH non-condensing |
Physical
| Chassis | Metal, convection cooled (fanless); black metal front panel |
| Mounting | Freestanding, surface mount, or 1/4-width 1 RU 19 in. rack mountable; all hardware included |
| Dimensions (H x W x D) | 44 x 110 x 223 mm (1.75 x 4.33 x 8.78 in) without feet and brackets |
| Weight | 0.95 kg (2.1 lb) |
| Compliance | UL Listed for US and Canada under UL/IEC 62368-1; CE |
Compatibility & Software Support
System Integration
| Sources | One stereo or two mono line-level sources via balanced terminal blocks or 3.5 mm TRS |
| Speakers | 4 or 8 ohm stereo pairs, 8 ohm bridged, or 70V/100V distributed systems |
| Standby Control | Remote input accepts a dry contact closure for instant on/off of the outputs |
| Mounting Ecosystem | Gangable with other Crestron next-generation half- and quarter-rack width products |
Package Contents & Ordering Information
Included
- Removable power cord
- Adhesive feet, surface mounting, rack mounting and ganging hardware
Models
| Configuration | Part number |
| X-Series Amplifier, 75 W | AMP-X75 |
Datasheet & Downloads
| Product page | Crestron AMP-X75 product page |
Frequently Asked Questions — AMP-X75
What output modes does the AMP-X75 support?
A slide switch selects Stereo, Sum or Bridge (low impedance) or 70V/100V (high impedance). Stereo gives up to 35 W per channel; bridged and Hi-Z give up to 75 W on a single channel.
Is mounting hardware included?
Yes. Adhesive feet, surface mounting, rack mounting and ganging hardware are all included, so no extra rack shelves are needed.
Does it need an external power supply?
No. It has an internal universal 100–240 V power supply with an IEC C14 inlet, and a removable power cord is included.
How does standby work?
The amplifier powers down after 25 minutes with no input signal and wakes in about 0.1 s when signal is detected. The REMOTE input can also place it in standby via a contact closure.
Does it have a fan?
No. It is convection cooled for noiseless operation and can be stacked with other Crestron modular amplifiers without extra ventilation space.
