---
product_id: 56513326
title: "S.M.S.L AD18 Audio HiFi Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 Small 80Wx2 Class D Amplifier with Subwoofer Output"
brand: "s.m.s.l"
price: "VT61529"
currency: VUV
in_stock: true
category: "S.M.S.L"
url: https://www.desertcart.vu/products/56513326-s-m-s-l-ad18-audio-hifi-stereo-amplifier-bluetooth
store_origin: VU
region: Vanuatu
---

# Bluetooth 4.2 with apt-X & NFC 80W x 2 powerful output Digital bass & treble EQ S.M.S.L AD18 Audio HiFi Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 Small 80Wx2 Class D Amplifier with Subwoofer Output

**Brand:** s.m.s.l
**Price:** VT61529
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game — power, precision, and wireless freedom in one sleek amp!

## Quick Answers

- **What is this?** S.M.S.L AD18 Audio HiFi Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 Small 80Wx2 Class D Amplifier with Subwoofer Output by s.m.s.l
- **How much does it cost?** VT61529 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/56513326-s-m-s-l-ad18-audio-hifi-stereo-amplifier-bluetooth)

## Best For

- s.m.s.l enthusiasts

## Why This Product

- Trusted s.m.s.l brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Mighty Design:** Sleek, space-saving chassis packs high-resolution 24bit/96kHz decoding and robust power in a stylish footprint.
- • **Dual Independent Circuits:** Separate headphone and speaker amps plus dedicated subwoofer output for immersive 2.1 stereo experience.
- • **Customizable Sound Profile:** Integrated digital equalizer with patented SDB tech dynamically enhances bass and treble for rich, balanced audio.
- • **Versatile 6-Input Connectivity:** Seamlessly switch between USB, coaxial, optical, analog, and Bluetooth sources for ultimate audio flexibility.
- • **Audiophile-Grade Digital Amplification:** Powered by Texas Instruments TAS5508C & TAS5342 chips delivering crystal-clear 80W per channel Class D sound.

## Overview

The S.M.S.L AD18 is a compact, full digital Class D stereo amplifier delivering 80W per channel with 6 versatile inputs including USB, coaxial, optical, analog, and Bluetooth 4.2 with apt-X. Featuring dual independent circuits for speakers and headphones plus a subwoofer output, it offers audiophile-grade sound with customizable bass and treble EQ. Powered by advanced Texas Instruments chips, it supports high-resolution audio up to 24bit/96kHz, making it a reliable, feature-rich choice for professionals seeking premium sound quality and connectivity in a stylish, space-efficient design.

## Description

desertcart.com: S.M.S.L AD18 Audio HiFi Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 Small 80Wx2 Class D Amplifier with Subwoofer Output : Electronics

## Features

- 【Digital Input】The SMSL AD18 has 6 input methods, USB, coaxial, analog, Bluetooth and two optical fibers, using two different chips for SPDIF and USB input. The USB comes from Texas Instruments' TAS1020B. The chip fully supports 24bit/96khz, and any excess will be automatically downsampled. SPDIF uses Cirrus Logic's CS8422. The chip can decode files up to 24bit/192khz, but can only decode up to 96kh on the AD18.
- 【Bluetooth and NFC】The Class D amplifier allows you to Bluetooth BT4.2 Bluetooth input, Bluetooth supports apt-X, and easily connects Bluetooth via NFC, providing higher quality wireless playback for compatible , tablets and Android smartphones.
- 【Two Independent Circuits】The S.MS.L ad18 bluetooth amp has two independent circuits, one for speakers and one for headphone output. It also has a subwoofer active subwoofer output, 80Wx2 amplifier output, with amplifier output, which can provide unparalleled stereo audio for speakers. 3.5mm headphone jack, the headphone amplifier
- 【Bass and Treble Control】SMSL Audio Stereo Amplifier This all-in-one amplifier is also equipped with a digital equalizer with multiple functions (bass tuning, treble, etc.), built-in SMSL patented sound effect SDB, SDB can effectively improve the sound restoration, while dynamically adjusting the high and low sounds according to the current music signal.
- 【SMSL AD18 chip】Full digital amplifier is part of the new generation of FDA all-digital amplifiers. It uses high-tech TAS5508C and TAS5342 chips using Texas Instruments (TI) digital pure path technology. The amplifier has the characteristics of "all-digital", compact design, high sound quality and high resolution, bringing a wonderful experience to music lovers.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071JN7GXN |
| Best Sellers Rank | #161,354 in Electronics ( See Top 100 in Electronics ) #965 in Audio Component Amplifiers |
| Brand Name | S.M.S.L |
| Customer Reviews | 4.3 4.3 out of 5 stars (991) |
| Global Trade Identification Number | 00790996171746, 06970141852605 |
| Included Components | amplifier |
| Item Dimensions | 6.77 x 2.01 x 3.35 inches |
| Item Weight | 1.3 pounds |
| Manufacturer | SMSL |
| Maximum Output Power | 80 watts |
| Maximum Supply Voltage | 24 volts |
| Model | AD18 |
| Mounting Type | Coaxial,Plug Mount |
| Number of Channels | 2 |
| Number of Items | 1 |
| Package Type Name | box |
| Part Number | AD18 - Bluetooth |
| Specification Met | CE, FCC |
| UPC | 651312006145 790996171746 619191169320 612032784676 |
| Unit Count | 1 Count |
| Voltage | 220 volts_of_alternating_current |
| Warranty Description | 1 year |

## Product Details

- **Item dimensions L x W x H:** 6.77 x 2.01 x 3.35 inches
- **Manufacturer:** SMSL
- **Maximum Supply Voltage:** 24 volts
- **Mounting Type:** Coaxial,Plug Mount
- **Voltage:** 220 volts_of_alternating_current

## Images

![S.M.S.L AD18 Audio HiFi Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 Small 80Wx2 Class D Amplifier with Subwoofer Output - Image 1](https://m.media-amazon.com/images/I/616WOahWKnL.jpg)

## Questions & Answers

**Q: Were is the subwoofer connection?**
A: Coax/opti1 is supposed to be a sub out also. I've heard earlier models did not function this way, but recently purchased units through Amazon should work. You'll need a 3.5 aux to rca cable for it to function I believe. I hooked up a powered sub to mine using the high level speaker inputs on the sub.

**Q: What is the rated power output per channel at 8ohms, and the THD%?**
A: The rated power output is 45w+45w @8ohm, THD + N = 0.04%

**Q: When using the sub-out with a powered sub can the sub volume or levels be controlled via this unit?**
A: Yes, and no. The SMSL's sub output level is variable, and raises/lowers in sync with the amps volume position, but you still have to set the master volume (for the sub) on the powered sub itself. I've got mine parked at about the 11 o'clock position, but results will vary depending on your setup.   You will also need to find the crossover sweet spot on the subs low pass filter control.

**Q: What is the frequency range of the input/output of the waveform?**
A: It happens often

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-10-30*