




Mastiff-KM312P
The Mastiff-KM312P is the largest passive monitor in the Mastiff line. Powering at a max of 4000 W, this aggressive speaker features three 12” woofers and produces a maximum SPL output at 138 dB (peak).
Specifications
General
- Type: Passive subwoofer
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Transducers:
- 2 x 12" neodymium magnet woofer
- 1 x Coaxial 12" woofer + 2.4" compression driver
- Frequency Response: 60 Hz - 19 kHz (-6 dB) (1)
- Max SPL: 138 dB (peak) (2)
- Rated Power: 2000 W + 1000 W
- Coverage: Selectable: V/H - 30°/100° | 100°/30°
- Connectors: SpeakOn NL4 1+ 1- (MF-HF); 2+ 2- (LF)
- Nominal Impedance: LF: 4 Ω | MF-HF: 8 Ω
Handling and Finishes
- Dimensions (W x H x D): 820 x 351 x 530 mm (32.3 x 13.8 x 20.9 in) (3)
- Weight: 37.5 kg (82.7 lb)
- Material: Wood/Stainless Steel
- Colors: Black, White, Custom RAL
Regulations
- IP Rating: IP20
(1) With dedicated preset.
(2) Maximum SPL is calculated using a signal with crest factor 4 (12dB) measured at 1 m.
(3) Included 17 mm (0.7 in) removable rubber feet.
Passive loudspeakers require a dedicated preset loaded on board of K-array amplifiers.
New materials and designs are introduced into existing products without previous notice.
Documents
Click here to view the Technical Data
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
What is your return policy?
All refunds and returns are determined by the manufacturer's terms of sale. Change-of-mind refunds are not accepted, but all valid warranty claims will be managed by AKA Acoustics in compliance with consumer law.
How long will it take to receive my order?
Freight lead times will be provided upon order confirmation. Standard items typically ship within 4–6 weeks, while custom orders may take 6–12 weeks.
Is my payment information secure?
Yes, all payments are securely processed through Stripe and are protected under their Terms of Service. AKA Acoustics do not store any payment information ourselves.
How are freight costs calculated?
Freight costs are determined at the time of quotation to ensure accurate pricing based on your specific order. For any questions, please email sales@akaacoustics.com
How can I contact support?
For account inquiries, email accounts@akaacoustics.com. For order support, email sales@akaacoustics.com.