MAIN FEATURES
DLS RC4.2 4" 2-Way Component Speakers
The DLS RC4.2 is a premium 4" 2-way component speaker system from the Reference Series, designed for vehicles where a 4" speaker is the maximum installation size. Combining high-quality components with the signature DLS sound, it delivers natural vocals, detailed treble, and accurate midbass performance for a significant upgrade over factory speakers.
The system features a coated paper woofer with a rubber surround, a powerful 80mm magnet with a vented pole piece for improved power handling, and a 25mm silk dome tweeter for smooth, refined high frequencies. An external 12 dB crossover with selectable tweeter level allows precise tuning, while the included angled and recessed tweeter cups and woofer grilles ensure flexible installation and a professional finish.
Key Features:
- 4" (100mm) 2-Way Component Speaker System
- Premium DLS Reference Series Design
- Coated Paper Woofer Cone
- Rubber Surround for Smooth Midbass Performance
- 25mm Silk Dome Tweeter
- 80mm High-Performance Magnet System
- Vented Pole Piece for Improved Cooling
- External 12 dB High-Pass and Low-Pass Crossover
- 4,500 Hz Crossover Frequency
- Selectable Tweeter Level Adjustment
- Natural and Detailed Sound Reproduction
- Low-Distortion Performance
- Excellent Vocal Clarity and Smooth Treble
- Angled Tweeter Mounting Cups Included
- Recessed Tweeter Mounting Cups Included
- Woofer Grilles Included
- Ideal Upgrade for Vehicles with 4" Speaker Locations
- Durable Construction for Long-Term Reliability
UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).
Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).
Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.
Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.
More information (including international delivery on our Delivery Information page.
MAIN FEATURES
DLS RC4.2 4" 2-Way Component Speakers
The DLS RC4.2 is a premium 4" 2-way component speaker system from the Reference Series, designed for vehicles where a 4" speaker is the maximum installation size. Combining high-quality components with the signature DLS sound, it delivers natural vocals, detailed treble, and accurate midbass performance for a significant upgrade over factory speakers.
The system features a coated paper woofer with a rubber surround, a powerful 80mm magnet with a vented pole piece for improved power handling, and a 25mm silk dome tweeter for smooth, refined high frequencies. An external 12 dB crossover with selectable tweeter level allows precise tuning, while the included angled and recessed tweeter cups and woofer grilles ensure flexible installation and a professional finish.
Key Features:
- 4" (100mm) 2-Way Component Speaker System
- Premium DLS Reference Series Design
- Coated Paper Woofer Cone
- Rubber Surround for Smooth Midbass Performance
- 25mm Silk Dome Tweeter
- 80mm High-Performance Magnet System
- Vented Pole Piece for Improved Cooling
- External 12 dB High-Pass and Low-Pass Crossover
- 4,500 Hz Crossover Frequency
- Selectable Tweeter Level Adjustment
- Natural and Detailed Sound Reproduction
- Low-Distortion Performance
- Excellent Vocal Clarity and Smooth Treble
- Angled Tweeter Mounting Cups Included
- Recessed Tweeter Mounting Cups Included
- Woofer Grilles Included
- Ideal Upgrade for Vehicles with 4" Speaker Locations
- Durable Construction for Long-Term Reliability
UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).
Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).
Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.
Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.
More information (including international delivery on our Delivery Information page.





























































































