Spl Crossover Mk2 Two-Way Analog Crossover - VOLTAiR
Two-way analog crossover with VOLTAiR technology. Recommended for adding one or two subwoofers to a stereo system. Separation of the bass and mid/high sections with individually adjustable cut-off frequencies from 20 to 3.6 kHz. The two sections have a selectable cut-off slope from 12 dB to 24 dB. Continuous phase adjustment 0-180°. Possibility of using two subwoofers, one for the left channel and one for the right. Possibility of inserting a cut-off filter below 20 Hz. Subwoofer volume adjustment from -10 to +10 dB via Alps RK27 Big Blue potentiometer. Both RCA and XLR inputs/outputs. VOLTAiR +/-60 V technology with proprietary discrete operational amplifiers. Shielded toroidal transformer. 12 V IN/OUT trigger. Dimensions (WxHxD): 278 x 100 x 300 mm. Weight: 4.6 kg.
Finishes: black, silver and red selectable from the drop-down menu
![]()
Paypal, credit card, bank transfer
Buy new products, with original packaging and covered by warranty.
We offer you maximum availability by phone and by email.
We are always at your disposal, even after the purchase.
SPL Crossover Mk2 – Second Generation Analog Crossover
The Crossover Mk2 represents the next generation of SPL’s analog crossover, with an even wider frequency range and enhanced functionality. Designed for seamless integration with bass speakers or subwoofers, it offers fully analog signal management — ideal for high-end Hi-Fi chains that want to avoid digital conversions.
Performance and versatility
Dual section: Low Pass filter (for subwoofer or bass) and High Pass (for main speakers), independently adjustable from 20 Hz to 3.6 kHz.
Precise control: X-FREQ and X-OVER selectors for setting up to 18 crossover frequency combinations.
Selectable slope: 12 dB or 24 dB switchable filters for a customized response.
20 Hz low-pass filter to eliminate unwanted frequencies and optimize amplifier performance.
Variable phase control (0°–360°) for perfect synchronization between subwoofer and main speakers.
Modes Mono/Stereo for bass output, with level adjustment from –10 dB to +10 dB.
Connections and Integration
Gold-plated RCA and XLR connectors for inputs and outputs, compatible with any audio configuration.
AMP CTL control to manage up to four connected devices (amplifiers, preamplifiers, etc.) in standby.
Available in black, red or silver, in line with the design of the SPL Professional Fidelity series.
VOLTAiR Technology – 120V of Pure Excellence
Featuring SPL's exclusive VOLTAiR technology, the Crossover Mk2 operates with an audio voltage of ±60 V (120 V total), ensuring:
- Exceptional dynamic range
- Optimal signal-to-noise ratio
- Superior headroom and sound natural
This proprietary SPL technology delivers detailed, transparent and immersive sound reproduction — for an uncompromising Hi-Fi listening experience.
Key Features – SPL Crossover Mk2
Two-way analog crossover with proprietary SPL VOLTAiR technology
Ideal for integrating one or two subwoofers into Hi-Fi stereo systems
Independent separation of the bass and mid/high sections with adjustable cut-off frequencies from 20 Hz to 3.6 kHz
Selectable cut-off slope: 12 dB or 24 dB for both sections
Continuously adjustable phase adjustment from 0° to 180° for perfect acoustic alignment
Support for two subwoofers (one for left and one for right channel)
Cut-off filter below 20 Hz to eliminate unwanted frequencies
Subwoofer volume adjustment from –10 dB to +10 dB via Alps RK27 “Big Blue” potentiometer
Balanced and unbalanced connections: gold-plated RCA and XLR inputs/outputs
VOLTAiR technology with ±60 V power supply and discrete SPL operational amplifiers
High-performance shielded toroidal transformer
12 V IN/OUT trigger for remote control and standby management of multiple devices
Dimensions (W x H x D): 278 × 100 × 300 mm
Weight: 4.6 kg
