Audison AF M1D Review: Mono Amp With a Standalone Mode
The Audison AF M1D is a mono Class D amplifier from Audison's Forza range, rated at 600 W into 4 Ω, 1000 W into 2 Ω and 1200 W into 1 Ω (RMS, 14.4 V, 1% THD). Audison says it is the only amplifier in its AF D family that can also be used standalone, and it has a low-pass filter, phase and bass boost. The India MRP is ₹99,990. This review covers the ratings, the standalone claim, the controls, the lack of owner reviews, and comparisons with the SR 1.500, AF M1.7 bit, JL Audio JD1000/1 and Zapco ST-1500XM III. Stock and price are on our Audison AF M1D product page.
Quick summary
Audison rates it at 600 W into 4 Ω, 1000 W into 2 Ω and 1200 W into 1 Ω RMS (14.4 V, 1% THD); the minimum load is 1 Ω.
Audison says it is the only AF D that can run standalone, with ART turn-on, USS and the optional VCR-S2 level knob.
The listed controls are a 50–150 Hz low-pass at 24 dB/oct, 0–180° phase and 0–6 dB bass boost at 45 Hz.
We found no owner reviews; the OnlineCarStereo page for this model shows none.
Audison AF M1D specifications
Specification | Audison AF M1D |
|---|---|
Type | Mono Class D amplifier (ADT), Forza range |
Output power, RMS (14.4 V, 1% THD) | 600 W x 1 at 4 Ω / 1000 W x 1 at 2 Ω / 1200 W x 1 at 1 Ω |
Minimum load | 1 Ω |
THD; signal-to-noise ratio | 0.03% (4 Ω, 70% of rated power); 105 dBA |
Damping factor; bandwidth | 125; 10 Hz – 500 Hz (−3 dB, 2 V RMS, 4 Ω) |
Input sensitivity | Pre-in 0.6–6 V RMS; speaker-in 2.2–22 V RMS |
Low-pass filter | 50–150 Hz at 24 dB/oct, defeatable |
Phase; bass boost | 0–180°; 0–6 dB at 45 Hz |
Remote sub volume | ±12 dB with the optional VCR-S2 |
Power supply | 11–15 V DC (operating 6.5–17.5 V DC) |
Idle current; current at maximum musical power | 1.2 A; 65 A (14.4 V, 1 Ω) |
Dimensions; weight | 240 x 47 x 156 mm; 1.95 kg |
India MRP | ₹99,990 |
Figures come from Audison's AF M1D page, a promotional document, and match our listing. Audison's page gives no fuse rating.
Reading the 600, 1000 and 1200 W ratings
Audison's page headline reads 1000 W total power beside 1 x 1200 W at 1 Ω and does not explain the difference, so rely on the load-specific ratings. A single 4 Ω voice coil receives 600 W. Two 4 Ω coils in parallel present 2 Ω and receive 1000 W. Four 4 Ω coils in parallel, for example two dual-coil subwoofers with every coil paralleled, present 1 Ω and receive 1200 W.
Start from the subwoofer's continuous power handling, choose the wiring that lands near it, then read the rating for that impedance. A subwoofer that handles 400 W should not be wired to the 1200 W load. Audison measures at 14.4 V, so output is a ceiling that falls with supply voltage, and the 65 A Audison lists at 1 Ω is the heaviest current draw it publishes.
Standalone use and the companion role
Audison describes its AF D amplifiers as companions designed to add amplifier channels to AF bit amplifiers. The AF C4D, M4D and M6D pages add a straight-wire architecture with no crossover filtering, intended for use with external processors; the M1D page does not use that wording and says instead that it is the only one in the family that can also be used standalone. With ART DC turn-on from the high-level inputs, the USS speaker-input loading and the optional VCR-S2 level knob, Audison says it can add subwoofers to systems that lack an Audison AF bit amplifier.
Audison's help-centre installation examples list the M1D with an AF bit amplifier in several front, rear and sub layouts, and with an aftermarket head unit's pre-outs or speaker outputs driving a sub. The diagrams were not readable to us, so check them before wiring. Audison's box list includes remote, speaker-out, pre-in and speaker-in cables and the Forza install kit.
Low-pass, phase and bass boost
The M1D page lists an adjustable low-pass from 50 to 150 Hz at 24 dB/oct that can be defeated, phase from 0 to 180° and bass boost of up to 6 dB at 45 Hz. The pages we read for the AF C4D, M4D and M6D list no adjustable crossover, so these controls set the M1D apart within the AF D family. Audison lists no subsonic filter for the M1D, whereas it lists one for the SR 1.500. With a bit processor in front, set the low-pass off and let the processor filter.
What owners and reviewers say about the Audison AF M1D
When we checked in October 2026, we found no owner reviews of the Audison AF M1D. OnlineCarStereo's AF M1D page shows no reviews and no star rating, and does not say whether reviews are moderated. Audison's own pages are promotional, so we have not counted them as opinions. The decision therefore rests on the published ratings and how you plan to wire the subwoofer.
Audison AF M1D vs SR 1.500, AF M1.7 bit, JL JD1000/1 and Zapco ST-1500XM III
The Audison SR 1.500 (₹49,990) is rated 500 W, 800 W and 1000 W at 4, 2 and 1 Ω, so the M1D is rated higher at all three loads and costs ₹50,000 more. The SR 1.500 page lists a 50–250 Hz low-pass, a 25 Hz subsonic filter and 0–12 dB of bass boost at 50 Hz, and a 264 x 155 x 47.5 mm, 2.23 kg chassis against the M1D's 240 x 156 mm and 1.95 kg.
The AF M1.7 bit has the same ratings and size as the M1D plus a 7-channel DSP, with time alignment from 0 to 510 cm and an optical input. Its MRP is ₹1,49,990, ₹50,000 more, and we list the Audison AF M1.7 bit. The JL Audio JD1000/1 (₹74,990) is rated 600 W at 4 Ω, 800 W at 3 Ω and 1000 W at 2 Ω; its printed ratings stop at 2 Ω, while the M1D adds 1200 W at 1 Ω for ₹25,000 more.
The Zapco ST-1500XM III (₹59,990) is rated 800 W, 1150 W and 1600 W at 4, 2 and 1 Ω by Zapco, higher than the M1D at every load (the Indian catalogue prints 700, 1100 and 1500 W, also higher), and costs ₹40,000 less. It is much longer, at 400 mm overall against 240 mm.
Who should buy it, and who shouldn't
Buy the AF M1D if you want a mono amplifier that can sit behind an AF bit amplifier or run on its own, need a 1 Ω-capable rating in a 240 x 156 mm footprint, and want a low-pass, phase and bass boost on the amplifier itself.
Look elsewhere if 1000 W at 1 Ω is enough, where the SR 1.500 costs ₹50,000 less; if you want processing in the same chassis, which the AF M1.7 bit offers; or if length is not a constraint and you want higher ratings, as with the Zapco ST-1500XM III.
Installation notes for Indian cars
Audison's M1D page gives no fuse rating. The AF M1.7 bit, in a chassis of the same size, lists two 35 A fuses, and a US retailer's M1D page says the same, so confirm the fuse rating, cable size and fuse-holder distance against Audison's AF M1D manual before buying cable. A 1 Ω load draws the most current, which is why the 65 A figure matters. Audison lists 81% efficiency, so a share of the input power leaves as heat; Audison's AFM-CLK cooling kit is described for the Forza Max amplifiers, not the M1D, so leave clear air around the case. VA3 Car Studio in Ghaziabad offers professional installation and builds custom subwoofer boxes to the volume the driver's maker specifies.
Price and where to buy
The Audison AF M1D has an MRP of ₹99,990 in India. Check the current price and availability on the Audison AF M1D product page. Warranty is per Audison's published terms; confirm India terms with us. The optional VCR-S2 level knob is listed in our store as the Audison VCR-S2 remote volume control, and Audison's VCR-S2 page names the M1D among compatible amplifiers.
The bottom line
The Audison AF M1D is a mono amplifier rated up to 1200 W at 1 Ω, with a low-pass, phase and bass boost that the other AF D amplifiers we read do not list. No owner reviews turned up, so work from the load-specific ratings, confirm the fuse rating before wiring, and compare it with the SR 1.500 if the ₹50,000 difference matters more than the extra rating.
Audison AF M1D FAQ
Can the Audison AF M1D run without an AF bit amplifier?
Audison says the M1D is the only AF D amplifier that can also be used standalone. With ART turn-on, USS and the optional VCR-S2 level knob, it can add subwoofers to systems without an Audison AF bit amplifier.
Is the Audison AF M1D a 1000 W or 1200 W amplifier?
Both figures appear on Audison's page. The load-specific ratings are 600 W at 4 Ω, 1000 W at 2 Ω and 1200 W at 1 Ω RMS, so quote the load you will actually wire.
Is the Audison AF M1D stable at 1 ohm?
Yes. Audison lists 1 Ω as the minimum load and rates the amplifier at 1200 W RMS into 1 Ω (14.4 V, 1% THD). Check that the subwoofer can handle that power and that the wiring suits the 65 A draw.
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