877-779-8964 Se Habla Español

Sign up to get your $10 coupon here

AVLGEAR - supplying professional audio, video, and lighting equipment

Williams AV IMA-540 Maxim Receiver Amplifier, Amp Only

Williams AV | SKU: WS-IMA540
$73600

Free Shipping




Estimated Shipping Widget will be displayed here!


Condition: New

Williams AV Maxim Receiver Amplifier, Amp Only

The 4th-generation Maxim™ is Williams AV’s flagship infrared classroom audio system, reimagined for hybrid and in-person learning. Configured in “Amp Only” mode, this unit provides full amplifier/receiver/mixer functionality—ready to integrate with your own choice of microphones and speakers to deliver powerful, intelligible sound across your learning environment.

Utilizing secure infrared (IR) wireless mic reception and internal digital Class-D amplification, Maxim™ ensures crystal-clear audio, easy conferencing, and reliable installation flexibility, all while supporting essential school integrations like paging, security alerts, and fire alarm muting.

Key Features

  • Audio Output: 50 W RMS total (2 × 25 W Class-D amplification) powering up to four 8 Ω speakers.
  • IR Mic Reception: Dual-channel infrared FM receiver for teacher/student microphones (e.g., Sapphire pendant or IRH handheld).
  • Line Inputs: Four auxiliary inputs—including 3.5 mm (mic/line, computer with anti-hum) and dual RCA (DVD)—for flexible media connections.
  • Conference Integration: EchoGuard™ for video conferencing, with dedicated front-panel “Conference” in/out for seamless audio-syncing and feedback reduction.
  • Assistive Listening Output (ALS): Rear-panel 3.5 mm with level control for classroom AL systems.
  • Paging & Security Compatibility: Page muting/pass-through, security alert, and fire alarm muting via contact closure interfaces.
  • Remote Control & Automation: RS-232 access for volume and mute control; low-power standby mode for energy savings.
  • Audio Safeguards: 5-band equalizer, Digital Feedback Guard (DFG), and anti-hum balancing on computer input.
  • Charger Output: USB 5 VDC for compatible microphone charging docks.

Technical Specifications

  • Amplifier Power: 2 × 25 W RMS Class-D (50 W total) into 4 Ω.
  • Receiver Input: Infrared FM, 2 mic channels (850 nm, wide-band FM, Ch A: 2.08 MHz / Ch B: 2.54 MHz).
  • Frequency Response: 20 Hz–20 kHz, ±3 dB; THD < 1% @ 1 kHz; S/N ratio ~65 dB.
  • Line Inputs: 1 × dual RCA + 3 × 3.5 mm (mic/line switch + anti-hum computer input).
  • Outputs: Front Conference out (3.5 mm); rear ALS out (3.5 mm) with gain control.
  • Paging Input: 2-pin Phoenix; 4 V, 25 V, or 70 V; 51 mV sensitivity minimal.
  • Security & Fire Inputs: Contact closure (COM/N.O./N.C.).
  • Equalizer: 5-band, ±10 dB.
  • Speaker Connector: 4-pin Phoenix, 4 Ω minimum load required.
  • Charger Port: USB 5 V DC for docking (e.g. BRC-60/BRC-15 microphones).
  • Power Supply: 19 VDC / 3.5 A (CE, CSA, UL listed).
  • Dimensions: 7.5″ × 8.5″ × 1.75″ (19.05 × 21.59 × 4.45 cm).
  • Weight: 1 lb 12 oz (0.794 kg).

What's Included

  • Maxim™ Receiver Amplifier unit (Amp Only—no microphones, speakers, or mounting accessories included)
Williams AV

Williams AV IMA-540 Maxim Receiver Amplifier, Amp Only

$73600

Free Shipping

Williams AV Maxim Receiver Amplifier, Amp Only

The 4th-generation Maxim™ is Williams AV’s flagship infrared classroom audio system, reimagined for hybrid and in-person learning. Configured in “Amp Only” mode, this unit provides full amplifier/receiver/mixer functionality—ready to integrate with your own choice of microphones and speakers to deliver powerful, intelligible sound across your learning environment.

Utilizing secure infrared (IR) wireless mic reception and internal digital Class-D amplification, Maxim™ ensures crystal-clear audio, easy conferencing, and reliable installation flexibility, all while supporting essential school integrations like paging, security alerts, and fire alarm muting.

Key Features

  • Audio Output: 50 W RMS total (2 × 25 W Class-D amplification) powering up to four 8 Ω speakers.
  • IR Mic Reception: Dual-channel infrared FM receiver for teacher/student microphones (e.g., Sapphire pendant or IRH handheld).
  • Line Inputs: Four auxiliary inputs—including 3.5 mm (mic/line, computer with anti-hum) and dual RCA (DVD)—for flexible media connections.
  • Conference Integration: EchoGuard™ for video conferencing, with dedicated front-panel “Conference” in/out for seamless audio-syncing and feedback reduction.
  • Assistive Listening Output (ALS): Rear-panel 3.5 mm with level control for classroom AL systems.
  • Paging & Security Compatibility: Page muting/pass-through, security alert, and fire alarm muting via contact closure interfaces.
  • Remote Control & Automation: RS-232 access for volume and mute control; low-power standby mode for energy savings.
  • Audio Safeguards: 5-band equalizer, Digital Feedback Guard (DFG), and anti-hum balancing on computer input.
  • Charger Output: USB 5 VDC for compatible microphone charging docks.

Technical Specifications

  • Amplifier Power: 2 × 25 W RMS Class-D (50 W total) into 4 Ω.
  • Receiver Input: Infrared FM, 2 mic channels (850 nm, wide-band FM, Ch A: 2.08 MHz / Ch B: 2.54 MHz).
  • Frequency Response: 20 Hz–20 kHz, ±3 dB; THD < 1% @ 1 kHz; S/N ratio ~65 dB.
  • Line Inputs: 1 × dual RCA + 3 × 3.5 mm (mic/line switch + anti-hum computer input).
  • Outputs: Front Conference out (3.5 mm); rear ALS out (3.5 mm) with gain control.
  • Paging Input: 2-pin Phoenix; 4 V, 25 V, or 70 V; 51 mV sensitivity minimal.
  • Security & Fire Inputs: Contact closure (COM/N.O./N.C.).
  • Equalizer: 5-band, ±10 dB.
  • Speaker Connector: 4-pin Phoenix, 4 Ω minimum load required.
  • Charger Port: USB 5 V DC for docking (e.g. BRC-60/BRC-15 microphones).
  • Power Supply: 19 VDC / 3.5 A (CE, CSA, UL listed).
  • Dimensions: 7.5″ × 8.5″ × 1.75″ (19.05 × 21.59 × 4.45 cm).
  • Weight: 1 lb 12 oz (0.794 kg).

What's Included

  • Maxim™ Receiver Amplifier unit (Amp Only—no microphones, speakers, or mounting accessories included)
View product