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American Audio ELS481(ELS-15BT) 15
American Audio

American Audio ELS481(ELS-15BT) 15" Active Bi-Amplified Speaker

★★★★★3.7 (6 reviews)
XLR

Versatile Audio Performance for Any EventThe ADJ Products ELS481(ELS-15BT) is a multi-functional 2-Way Active Bi-Amplified Speaker, perfect for DJs and mobile performers. With wireless audio capabilities and a built-in MP3 player, this 15-inch speaker delivers durable and long-lasting performance...

$173.57*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Versatile Audio Performance for Any Event

The ADJ Products ELS481(ELS-15BT) is a multi-functional 2-Way Active Bi-Amplified Speaker, perfect for DJs and mobile performers. With wireless audio capabilities and a built-in MP3 player, this 15-inch speaker delivers durable and long-lasting performance, making it suitable for small to medium-sized venues.

Specifications:

  • Brand: ADJ Products
  • Model: ELS481(ELS-15BT)
  • Type: 2-Way Active Bi-Amplified Speaker
  • Wireless Audio: Yes
  • Built-In Player: MP3 Player
  • Size: 15 inch

Key Features

2-WAY ACTIVE: Bi-amplified lightweight speaker with built-in Wireless Audio and MP3 player that offers USB & Memory Card input slots.

4-WAY PROTECTION SYSTEM: American Audio’s ELS-15BT, Wireless Multi-Functional Speaker harbors short circuit protection; thermal protection; On/off mute & LF/HF limiters.

REMOTE CONTROLLED: Comes with 21-Input remote control (p/n ADJ AUD RC). Perfect for channel change, volume control, and play/pause control.

MULTI-FREQUENCY POWER: Separate high and low frequency provides power to the speaker as you music demands it.

XLR INPUTS/OUTPUTS: XLR & TRS MIC inputs, XLR & RCA line inputs, and XLR & TRS line outputs.

Specifications

Speaker Type
2-Way Active Bi-Amplified
Woofer Size
15 inches
Audio Playback
Built-in Wireless Audio, MP3 Player
Input Slots
USB, Memory Card
Protection System
4-Way (Short Circuit, Thermal, On/Off Mute, LF/HF Limiters)
Control
21-Input Remote Control (ADJ AUD RC)
Microphone Inputs
XLR, TRS
Line Inputs
XLR, RCA
Line Outputs
XLR, TRS

Pros & Cons

👍 Pros

  • Features a 2-way active, bi-amplified design for efficient power distribution and clear audio reproduction across frequencies.
  • Equipped with built-in Wireless Audio and an MP3 player, offering versatile playback options including USB and Memory Card input slots.
  • Includes a comprehensive 4-way protection system, safeguarding the speaker with short circuit, thermal, on/off mute, and LF/HF limiters.
  • Comes with a 21-input remote control (ADJ AUD RC), allowing for convenient adjustments to channels, volume, and playback functions from a distance.
  • Provides separate high and low frequency power, ensuring the speaker delivers dynamic output as music demands it.
  • Offers multiple connectivity options with XLR and TRS MIC inputs, XLR and RCA line inputs, and XLR and TRS line outputs, enhancing integration with various audio setups.

👎 Cons

  • While it has "built-in Wireless Audio," the specific wireless technology (e.g., Bluetooth, Wi-Fi standard) is not explicitly mentioned, which could impact compatibility or range.
  • The inclusion of an MP3 player with USB and Memory Card input is convenient, but there's no mention of support for higher-resolution audio formats like FLAC.
  • The 4-way protection system is beneficial, but the specific power handling capabilities (RMS wattage) are not detailed beyond "separate high and low frequency power."
  • The speaker's size (15 inches) may be cumbersome for smaller venues or for users requiring a highly portable sound solution.
  • Details on the frequency response range are not provided, making it difficult to assess the speaker's full audio reproduction capabilities.

Frequently Asked Questions

Yes, the American Audio ELS481 (ELS-15BT) speaker has a built-in MP3 player with USB and Memory Card input slots.
It features a 4-way protection system including short circuit protection, thermal protection, on/off mute, and LF/HF limiters for enhanced durability.
Yes, a 21-input remote control (p/n ADJ AUD RC) is included for convenient operation.
The speaker offers XLR & TRS MIC inputs, and XLR & RCA line inputs for versatile connectivity.
Yes, it is equipped with built-in Wireless Audio capabilities for streaming music.

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