The SMSL AD18 is a compact and versatile digital amplifier designed for both home users and audio enthusiasts seeking high-quality audio reproduction. It integrates multiple input options, including USB, coaxial, analogue, Bluetooth, and optical inputs, allowing seamless connectivity with various audio sources. The AD18's robust output capabilities make it suitable for driving passive speakers and headphones, delivering clear and dynamic audio performance.
Constructed with a sleek, black aluminium chassis, the AD18 boasts a modern aesthetic that complements any audio setup. The high-precision CNC-machined housing ensures durability and a premium finish. Its compact dimensions and lightweight design enhance portability, while the intuitive front panel features a colour TFT screen and a multifunctional knob for straightforward navigation and control. The inclusion of a remote control adds convenience for users.
| Specification | Details |
|---|---|
| Input Interfaces | USB, Coaxial, Analogue (3.5mm), Bluetooth 4.2 with NFC, Optical x2 |
| Output Interfaces | Speaker terminals, 3.5mm Headphone jack, Subwoofer output |
| Output Power (4 Ω) | 80 W x 2 |
| Headphone Output (32 Ω) | 53 mW at 0.04% THD |
| Total Harmonic Distortion + Noise (THD+N) | 0.04% |
| Signal-to-Noise Ratio (SNR) | 90 dB |
| USB Sampling Rates | Up to 24-bit/96 kHz |
| Optical/Coaxial Sampling Rates | Up to 24-bit/192 kHz |
| Treble/Bass Adjustment Range | ±8 dB |
| Power Supply | 24 V/4 A |
| Dimensions (W x H x D) | 172 x 51 x 85 mm |
| Weight | Approximately 572 g |
The SMSL AD18 delivers a clean and dynamic audio performance, and effectively drives both bookshelf speakers and headphones. Its digital amplification ensures high efficiency and minimal distortion, resulting in a transparent and engaging listening experience. The user-friendly interface, combined with the included remote control, allows for effortless operation and quick adjustments.
Q: Can the AD18 connect to a subwoofer?
A: Yes, the AD18 includes a subwoofer output, allowing integration with an active subwoofer for enhanced low-frequency performance.
Q: Is the AD18 compatible with high-impedance headphones?
A: While the AD18's headphone amplifier can drive a range of headphone impedances, its output power is best suited for low to moderate impedance headphones. High-impedance models may not achieve optimal volume levels.
Q: Does the Bluetooth connection support high-resolution audio codecs?
A: The AD18's Bluetooth 4.2 implementation supports aptX, which offers improved audio quality over standard Bluetooth codecs, though it does not support higher-resolution codecs such as LDAC.
Q: Can I adjust the display brightness?
A: Yes, the AD18 provides a dimmer setting that allows users to adjust the brightness of the TFT display for a more comfortable viewing experience in different lighting conditions.
Q: Is the unit firmware upgradeable?
A: The SMSL AD18 does not support user-upgradeable firmware. All features are fixed upon manufacturing.
